if the sum of two expressions is 3x+5 and one expression is 5x-7 what is the other expression

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if the sum of two expressions is 3x+5 and one expression is 5x-7 what is the other expression

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Thông Đạt 3 years 2021-08-28T08:07:00+00:00 1 Answers 3 views 0

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  1. binhan
    0
    2021-08-28T08:08:04+00:00
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    (3x+5)-(5x-7)=-2x-2 (the second expression)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )