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4 March, 20:17

5x - 4 = - 3x + 12. Solve for x

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  1. 4 March, 22:01
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    5x - 4 = - 3x + 12.

    move - 3x to the other side

    sign changes to + 3x

    5x+3x-4 = - 3x+3x+12

    5x+3x-4 = 12

    move - 4 to the other side

    sign changes to + 4

    5x+3x-4+4 = 12+4

    8x = 16

    divide by 8 for both sides

    8x/8 = 16/8

    x = 2

    Answer: x = 2
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