2 Step Equations with Fractions and Decimals

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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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Back

Subtract 15 from both sides to isolate the term with x.

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Back

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Add 3 to both sides, then multiply by 5 to isolate y.

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Back

To solve for x, divide both sides by -\frac{2}{3}, which is equivalent to multiplying by -\frac{3}{2}.

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Add 6 to both sides, then multiply by 3 to find d.

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What is the inverse operation of addition?

Back

Subtraction is the inverse operation of addition.

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What is the inverse operation of multiplication?

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Division is the inverse operation of multiplication.

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How do you check your solution for a two-step equation?

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Substitute the solution back into the original equation to verify if both sides are equal.