Podcast
Questions and Answers
Solve the following equation: X + 8 = 15
Solve the following equation: X + 8 = 15
- 23
- 7 (correct)
- -23
- -7
Solve the following equation: 18 = 3b
Solve the following equation: 18 = 3b
- 54
- 21
- 6 (correct)
- 15
Solve the equation: x - 3 = -12
Solve the equation: x - 3 = -12
- x = -15
- x = -9 (correct)
- x = 9
- x = 15
Solve the equation: x - 5.5 = -10.5
Solve the equation: x - 5.5 = -10.5
Which equation has w = 8 as the solution?
Which equation has w = 8 as the solution?
Solve the equation: 20.5 = x + 4
Solve the equation: 20.5 = x + 4
Solve for x: $\frac{X}{5} = 2$
Solve for x: $\frac{X}{5} = 2$
3c = 12
3c = 12
X - 12 = 2
X - 12 = 2
9 + x = 18
9 + x = 18
35 = y - 3
35 = y - 3
To solve the equation: 4p = 16 what needs to be done to both sides to isolate the variable?
To solve the equation: 4p = 16 what needs to be done to both sides to isolate the variable?
When solving the equation 3x = 27, what should you do to both sides to isolate the variable?
When solving the equation 3x = 27, what should you do to both sides to isolate the variable?
Mathematically, what is the 10 doing to the x? 10x = 90
Mathematically, what is the 10 doing to the x? 10x = 90
Solve the equation 3x = 27.
Solve the equation 3x = 27.
The inverse/opposite operation of addition is _______.
The inverse/opposite operation of addition is _______.
Solve 4n=24
Solve 4n=24
-16 + x= -15
-16 + x= -15
Flashcards
Solving an Equation
Solving an Equation
Finding the value of the variable that makes the equation true.
Equation
Equation
A mathematical statement with an equals sign (=).
Variable
Variable
A symbol (usually a letter) representing an unknown value.
Coefficient
Coefficient
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Inverse Operation
Inverse Operation
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Isolate the Variable
Isolate the Variable
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Inverse Operation of Subtraction
Inverse Operation of Subtraction
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Maintaining Equality
Maintaining Equality
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Inverse of Addition
Inverse of Addition
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Inverse of Multiplication
Inverse of Multiplication
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Isolating a Variable
Isolating a Variable
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Solving x + 8 = 15
Solving x + 8 = 15
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Solving 8 = m - 12
Solving 8 = m - 12
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Solving 18 = 3b
Solving 18 = 3b
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Solving c/4 = 4
Solving c/4 = 4
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Solving x - 3 = -12
Solving x - 3 = -12
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Solving 20.5 = x + 4
Solving 20.5 = x + 4
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What do equations have?
What do equations have?
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'5 less than a number is 15'
'5 less than a number is 15'
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Opposite Operations
Opposite Operations
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Solving x + 7 = 12
Solving x + 7 = 12
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Word Problem Equation
Word Problem Equation
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234 + N =389
234 + N =389
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m - 5 = 15
m - 5 = 15
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Solving for b 4 + b = 30
Solving for b 4 + b = 30
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Solving x ÷ 2 = 12
Solving x ÷ 2 = 12
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Isolate the Variable
Isolate the Variable
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-4x = 16.. is it plus, minus times or divide?
-4x = 16.. is it plus, minus times or divide?
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-4x = 16... solve it
-4x = 16... solve it
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-12 = x - 9 ... solve it
-12 = x - 9 ... solve it
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Study Notes
- The assessment is about one-step equations.
- It consists of 130 questions
- The estimated time to complete the worksheet is 33 hours and 30 minutes.
- The instructor is Alicia Martinez.
Solving One-Step Equations
- To solve x + 8 = 15, the value of x is 7.
- To solve 8 = m - 12, the value of m is 20.
- To solve 18 = 3b, the value of b is 6.
- To solve 2y = 18, the value of y is 9.
- To solve c / 4 = 4, the value of c is 16.
- To solve x - 3 = -12, the value of x is -9.
- To solve x -5.5 = -10.5, the value of x is -5.
- 8w = 64 has w = 8 as the solution.
- To solve 20.5 = x + 4, the value of x is 16.05
- To solve x/5 = 2, the value of x is 10.
- To solve 3c = 12, the value of c is 4.
- To solve x - 12 = 2, the value of x is 14.
- To solve 9 + x = 18, the value of x is 9.
- To solve 4x = 8, the value of x is 2.
- To solve x + 4 = -3, the value of x is -7.
- To solve 5 = f-2, the value of f is 7.
- To solve 35 = y-3, the value of y is 38.
- To solve 4p = 16, divide both sides by 4 to isolate the variable.
- To solve 3x = 27, divide both sides by 3 to isolate the variable.
- In the equation 10x = 90, the 10 is multiplying, and the value of x is 9.
- To solve the equation 3x = 27, x = 9.
- The inverse/opposite operation of addition is subtraction.
- The inverse/opposite operation of division is multiplication.
- To solve 4n = 24, n = 6.
- To solve 5m = 25, m = 5.
- To solve y - 4 = 6, y = 10.
- To solve x - 8 = -5, x = 3.
- To solve x + 12 = 20, x = 8.
- To solve 18 + m = 8, m = -10.
- To solve -16 + x = -15, x = 1.
- To solve 19 + a = -50, a = -69.
- To solve -12 + c = 38, c = 50.
- To solve a - 27 = 41, the value of a is 68.
- To solve x - 8 = -5, the value of x is 3.
- To solve 10 = -7 + b, the value of b is 17.
- To solve x - (-1) = 11, the value of x is 10.
- To solve x + 8 = 15, the value of x is 7.
- To solve 13 + x = -25, the value of x is -38.
- To solve n - 4 = 12, the value of n is 16.
- To solve -10 + x = 20, the value of x is 30.
- To solve 12 = n - 8, the value of n is 20.
- To solve 5n = 30, the value of n is 6.
- To solve -42 = -6y, the value of y is 7.
- The inverse operation of subtraction is addition.
- The inverse operation of division is multiplication.
- The objective when solving an equation is to isolate the variable.
- Given x/5 = 20, the value of x is 100.
- Given 8 - y/3 , the value of y is 24.
- Given n/5 = -5, the value of n is -25.
- Given 1/2 * x = 7, the value of x is 14.
- Given 3/4 * a = 6, the value of a is 8
- When solving an equation, the goal is to isolate the variable to solve.
- To solve 4p = 16, the value of p is 4.
- Adding 5 to both sides is the best first step to solve -3 = x + 5.
- The inverse operation of subtraction is addition.
- To solve 7x = 14, the value of x is 2.
- The inverse operation of division is multiplication.
- Given x/2 = -4, the value of x is -8
- Expressions have an equal sign and equations do not have an equal sign which is the main difference
- Given 14 = 9 + x, the value of x is 5
- "5 less than a number is 15" can be expressed as 15 - x = 5.
- Given -10 + x = 6, the value of x is 16.
- Using the "opposite operation" to "undo" and isolate the variable when solving an equation is known as inverse operations
- Given x + 7 = 12, subtract 7 from both sides, and the solution is x = 5
- Two more than 4 times a number is -18 can be expressed as 4x + 2 = -18
- Sally had 10 peaches, picked more, and now has 73 totals can be expressed as x + 10 = 73
- When solving 234 + N = 389, subtraction would be used to find the answer.
- Given 15 = m -5, add 5 to both sides to solve for the variable.
- Solve for x when given 17 = x + 3, the answer is x = 14.
- Solve for x when given x + 12 = 20, the answer is x = 8.
- Given 4 + b = 30, the the value of b is 26.
- Given x - 32 = 49, the value of x is 81.
- Given y - 4.6 = 12, the value of y is 16.6
- Given 4x =44, the value of x is 11.
- Given x/2 = 12, the value of x is 24.
- Given 10x = 90, the value of x is 9.
- Given x + 13 = 8, the value of x is -5.
- To isolate the variable in an equation, perform the inverse operation of whatever is happening to the variable on both sides.
- In the equation -4x = 16, multiplication is the operation happening to the variable.
- To isolate the variable in -4x= 16, divide by -4 on both sides.
- In the equation -12 = x - 9, subtraction is happening to the variable.
- How to isolate the variable in the following equation: -12 = x - 9?, add 9 on both sides
- Given x/-8 = -32, multiplication is happening to the variable.
- To isolate the variable in x/-8 = 32 multiply -8 on both sides
- The operation that is happening to the variable: is addition in 15= x + 19
- With 15 = x + 19 you add 19 on both sides to isolate
- X/-7 = -7 solve by multiplying -7 for both sides
- Solve equation c-8 = -12. You isolate by aading 8 to both sides
- -11x = 55 solve by dividing by 11 on both sides
- Solve x+ 9 =-3, isolate the variable by subtracting 9
- Solve equation x +2 = 10 you isolate by subtracting 2 from both sides
- -2 +x = 15 you isolate by adding 2 from both sides
- x- 12 solve you isolate by adding 12 from both sides
- What is the inverse of subtraction? Adding
- The inverse of dividing is multiplying
- j+ 68 = 100 by subtracting 68
- Isolate by subtract 8 in the equation q+8=12
- Isolate the variable y+ 25 you need isolate by subtract 25
- How do you isolate the variable in 19+ a=-50 by subtracting 19 on both sides
- What is the next step to isolate variable is add 62 x-62=123
-
- 25= m- 12 by adding 12
- If 51+k=-142 by subtracting 51
- Decreased by is associated with subtraction
- Equation for buying more video games is v+4 = 10
- You can solve t/-8=12 by multiplying both sides by -8
- A way to solve - 3y= - 24 for dividing.
- You should multiply both sides by three halves
- Way to solve the equation is to multiply both sides by 3.
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Description
This assessment focuses on solving one-step equations. It includes problems involving addition, subtraction, multiplication and division to find the value of a variable. Practice solving for x to master the basics of algebra.