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Simplify (3x – 11y) – (17x + 13y) and choose the right answer. (A) 7x – 12y (B) -14x – 54y (C) -3(5x + 4y) (D) -2(7x + 12y) |
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Answer» (D) -2(7x + 12y) (3x – 11y) – (17x + 13y) = 3x – 11y – 17x – 13y = (– 14x) – 24y = (– 2) × 7x – 2 × 12y = – 2(7x + 12y) |
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