Mathematics, 28.06.2019 11:50 arivalen
Which pair of expressions are equivalent? a. 2y – 4 and 2y – 4 + 9 b. 14x – 7 and 7x – 14 c. 9y + 3 + 2 and 3(y + 1) + 2 d. x + y and x – y + 2y e. x + 2y and x – y reset next
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Which pair of expressions are equivalent? a. 2y – 4 and 2y – 4 + 9 b. 14x – 7 and 7x – 14 c. 9y + 3...
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