Two Step Equations

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What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable. It typically involves addition or subtraction followed by multiplication or division.

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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 the reverse order: first eliminate the constant term (add or subtract), then eliminate the coefficient of the variable (multiply or divide).

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Back

x = -45

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Back

x = -40

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Back

x = 8

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Back

x = 35

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y = 20

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Back

Subtract 5 from both sides to isolate x.

Front

What is the inverse operation of addition?

Back

Subtraction is the inverse operation of addition.

Front

What is the inverse operation of multiplication?

Back

Division is the inverse operation of multiplication.