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4 January, 16:07

2x+8=7x-12 || - m/4+5=2 || 3x-8=-17 ||

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  1. 4 January, 18:16
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    2x+8=7x-12 we put the x in a side and the number in the other side

    5x = 20

    x = 20/5 = 4

    -m/4+5=2

    common denominator

    -m / 4 + 20/4 = 2/4

    -m + 20 = 2

    m = 20-2 = 18

    3x-8=-17

    3x = - 17 + 8

    3x = - 9

    x = - 9/3 = - 3
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