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18 May, 10:06

13 + (w) / (7) = -18

step by step?

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  1. 18 May, 10:52
    0
    w in (-oo:+oo)

    w/7+13 = - 18 / / + 18

    w/7+13+18 = 0

    1/7*w+31 = 0 / / - 31

    1/7*w = - 31 / / : 1/7

    w = - 31/1/7

    w = - 217

    w = - 217
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