Solve: the quantity 3x minus 15 divided by 2 = 4x

Question

Solve: the quantity 3x minus 15 divided by 2 = 4x

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Gia Bảo 3 months 2021-07-19T16:13:53+00:00 1 Answers 0 views 0

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    2021-07-19T16:14:53+00:00

    Answer:

    x=-3

    Step-by-step explanation:

    (3x-15)/2 = 4x

    Multiply each side by 2

    (3x-15)/2 *2= 4x*2

    3x-15 = 8x

    Subtract 3x from each side

    3x-15-3x = 8x-3x

    -15 = 5x

    Divide each side by 5

    -15/5 = 5x/5

    -3 =x

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