Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What type of equations involve using the subtraction operation?
What type of equations involve using the subtraction operation?
- Addition equations
- Subtraction equations (correct)
- Division equations
- Multiplication equations
What is needed to write a subtraction equation?
What is needed to write a subtraction equation?
- Things that are being divided
- Things that are being added
- Things that are being multiplied
- Things that are being subtracted (correct)
In x - 4 = 16, what does the '4' represent?
In x - 4 = 16, what does the '4' represent?
- The original price
- The total cost
- The discount amount (correct)
- The final amount paid
What operation is needed to isolate the variable in x - 4 = 16?
What operation is needed to isolate the variable in x - 4 = 16?
Signup and view all the answers
What does x represent in the equation x - 4 = 16?
What does x represent in the equation x - 4 = 16?
Signup and view all the answers
What is the solution to the equation x - 20 = 12?
What is the solution to the equation x - 20 = 12?
Signup and view all the answers
In the equation 31 - x = 19, why is subtraction used to detach the number 31 from the variable?
In the equation 31 - x = 19, why is subtraction used to detach the number 31 from the variable?
Signup and view all the answers
What is the correct method to isolate x in the equation -x = -12?
What is the correct method to isolate x in the equation -x = -12?
Signup and view all the answers
If x - 4 + 4 = 16 + 4, what is the value of x?
If x - 4 + 4 = 16 + 4, what is the value of x?
Signup and view all the answers
In the equation x - 20 = 12, why do we add 20 to both sides?
In the equation x - 20 = 12, why do we add 20 to both sides?
Signup and view all the answers
