If 2x + 8 = 0, what justifies 2(x + 4) = 0?

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If 2x + 8 = 0, what justifies 2(x + 4) = 0?

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Ladonna 3 years 2021-09-03T18:45:40+00:00 1 Answers 6 views 0

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    2021-09-03T18:46:45+00:00

    Answer:

    2(x+4)=0

    2x+8=0

    8-0=2x

    8/2=x

    4=x

    x=4

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