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10 Questions

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Writing Subtraction Equations

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Questions and Answers

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?

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?

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?

Addition Signup and view all the answers

What does x represent in the equation x - 4 = 16?

The original cost of the item Signup and view all the answers

What is the solution to the equation x - 20 = 12?

x = 32 Signup and view all the answers

In the equation 31 - x = 19, why is subtraction used to detach the number 31 from the variable?

Because the 31 is being added to the variable. Signup and view all the answers

What is the correct method to isolate x in the equation -x = -12?

Divide by a negative number. Signup and view all the answers

If x - 4 + 4 = 16 + 4, what is the value of x?

20 Signup and view all the answers

In the equation x - 20 = 12, why do we add 20 to both sides?

To keep the equation balanced. Signup and view all the answers