Equations in One Variable Answers

74 = 2b – 5✔ 74 = 2b + 5b– 5 = 2(74) b + 5 = 2(74)

✔ 34.539.5143153

addition property of equalitymultiplication property of equality✔ additive identityadditive inversesmultiplicative inverses

addition property of equality✔ multiplication property of equalityadditive identityadditive inversesmultiplicative inverses

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Determine the flaws in the solution.

Jen solved the equation to determine the number of questions, x, she answered incorrectly on a test. She began by subtracting 100 from both sides, then multiplying both sides by –2. Which best describes the accuracy of Jen’s work?

✔ addition property of equalitymultiplication property of equalityadditive identityadditive inversesmultiplicative inverses

What is the solution set of –|–x| = –12?

Which equation can be used to determine the number of passenger stops, p, Mr. Martin had on Tuesday?

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For which equations is x = 9 a possible solution? Check all that apply.|x| = 9–|x| = 9–|–x| = 9–|–x| = –9|x| = –9|–x| = 9|–x| = –9

Avni designs a game in which a player either wins or loses 4 points during each turn. Which equation represents all numbers of points, p, a player may have after his or her first turn of the game?

addition property of equalitymultiplication property of equalityadditive identity✔ additive inversesmultiplicative inverses