7.11A SOLVING TWO-STEP EQUATIONS WORD PROBLEMS

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What is a two-step equation?

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How do you isolate a variable in an equation?

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What does it mean to solve an equation?

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If Emma charges $20 per hour and earns $100, how many hours did she tutor?

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Emma tutored for 5 hours.

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The second step is to divide both sides by 2 after subtracting 4 from both sides.

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What does the term 'inverse operation' mean?

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Inverse operations are pairs of operations that undo each other, such as addition and subtraction or multiplication and division.

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How can you check if your solution to an equation is correct?

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You can check your solution by substituting the value back into the original equation to see if both sides are equal.