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13 December, 22:24

I don't know who to get the answer for this problem 3x + 7 = - x - 1

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  1. 13 December, 22:48
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    3x + 7 + - x - 1

    3x + x = - 1-7

    4x = - 8

    X = - 8/4

    = - 2
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