What is the solution to this equation? 7x – 2(x – 10) = 40

Question

What is the solution to this equation?

7x – 2(x – 10) = 40

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Ngọc Hoa 4 years 2021-08-17T23:50:16+00:00 1 Answers 40 views 0

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  1. thnahdat
    0
    2021-08-17T23:52:14+00:00
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    Answer:

    7x-2x+20=40

    5x+20=40

    5x=40-20

    5x=20

    x=20/5

    x=4

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