Solving Two-Step Equations Practice

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. It typically involves addition or subtraction followed by multiplication or division.

Front

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

Back

To isolate a variable, perform inverse operations in the reverse order of operations. First, eliminate any constant added or subtracted from the variable, then eliminate any coefficient by dividing or multiplying.

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Back

r = 28

Front

Solve for a: -5 - 6a = -59

Back

a = 9

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Back

x = 21

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Back

x = 168

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Back

x = 10

Front

Back

Subtract 5 from both sides to isolate x.

Front

What does it mean to check your solution in an equation?

Back

Checking your solution means substituting the value back into the original equation to verify that both sides are equal.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.