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 isolate the variable and solve for it.

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y = 21

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Add 6 to both sides.

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Add 62 to each side.

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x = 3

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Back

Subtract 4 from both sides.

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Back

Divide both sides by 2.

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What does it mean to isolate a variable?

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To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

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x = 7

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x = 8