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.

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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 eliminate the constant term, then the coefficient of the variable.

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x = 55

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x = 6

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x = 78

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x = 140

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x = 25

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Back

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Back

Multiply both sides by 3 to eliminate the fraction.

Front

What does it mean to perform the inverse operation?

Back

An inverse operation undoes the effect of another operation, such as addition and subtraction or multiplication and division.