Solving Two-Step Equations with Integers

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

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How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in reverse order: first undo addition or subtraction, then undo multiplication or division.

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Back

Subtract 11 from both sides to isolate the term with x.

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Back

x = 9.

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Back

Add 12 to both sides, then multiply by 2 to isolate x.

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Back

x = -4.

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Back

Subtract 7 from both sides to isolate the term with x.

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Back

x = 45.

Front

How do you solve the equation 13 - 4x = -11?

Back

Subtract 13 from both sides, then divide by -4.

Front

What is the solution to 13 - 4x = -11?

Back

x = 6.