SOLUTION: Simplify 3(5x-4y+7)+8(-4x-2y)?

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Question 270388: Simplify 3(5x-4y+7)+8(-4x-2y)?
Answer by checkley77(12844) About Me  (Show Source):
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3(5x-4y+7)+8(-4x-2y)
15x-12y+21-32x-16y
-17x-28y+21 ans.