Two Step Equations Review

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What is a two-step equation?

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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.

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

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To isolate a variable, perform the inverse operations in reverse order: first eliminate any addition or subtraction, then eliminate multiplication or division.

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Translate: "Hannah ordered books for her son from an online retailer. Each book costs $7.25 and there is a shipping fee of $6.75 for the entire order. How many books did Hannah order if her total cost was $93.75?"

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What does the term 'translate' mean in the context of word problems?

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In this context, 'translate' means to convert a word problem into a mathematical equation.

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Translate: "Four less than six times a number is 14."

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Translate: "Dawson’s Garage charges $55 per hour to do car repairs plus the cost of the parts. If the cost of the parts was $142 and the total cost was $362, how many hours did the repairs take?"

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Translate: "Seven more than three times a number is 19."

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