Podcast
Questions and Answers
What is the value of $x$ in Equation 1?
What is the value of $x$ in Equation 1?
- $rac{8}{3}$
- $rac{56}{45}$ (correct)
- $rac{28}{45}$
- $rac{7}{9}$
What is $x$ in Equation 2?
What is $x$ in Equation 2?
- $rac{27}{35}$ (correct)
- $rac{14}{15}$
- $rac{9}{5}$
- $rac{3}{7}$
Which equation directly solves for $x = 2 rac{1}{3}$?
Which equation directly solves for $x = 2 rac{1}{3}$?
- Equation 5
- Equation 4
- Equation 3 (correct)
- Equation 1
In Equation 5, what is the final result for $x$?
In Equation 5, what is the final result for $x$?
What operation must be applied to isolate $x$ in Equation 4?
What operation must be applied to isolate $x$ in Equation 4?
Flashcards
Solving for a Variable
Solving for a Variable
To solve for a variable in an equation, you must isolate the variable on one side of the equation. This can be achieved by performing the same operations on both sides of the equation.
Reciprocal Property
Reciprocal Property
When a fraction is multiplied by its reciprocal, the product equals 1. This is a helpful property for solving equations where the variable is multiplied by a fraction.
Mixed Numbers & Improper Fractions
Mixed Numbers & Improper Fractions
A mixed number combines a whole number and a fraction. To solve equations with mixed numbers, it's often easier to convert them into improper fractions.
Inverse Operations
Inverse Operations
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Multiplication of Fractions
Multiplication of Fractions
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Study Notes
Equation Solving Examples
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Example 1: (6/7)x = 2 1/3
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x = 17/6 = 2 5/6
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Example 2: (7/9)x = 10
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x = 90/7 = 12 6/7
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Example 3: 3 1/3x = 2 2/3
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x = 8/10 = 4/5
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Example 4: (8/5)(8/x) = (7/9)(8/3)
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x = 56/45
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