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11 August, 10:11

Find an equation that has x=-57 as a solution?

A. - 4x+7=-5 (x+10) E. 4x+7=5 (x+10)

B. - 4x-7=-5 (x-10)

C. - 4x+7=5 (x+10)

D. 4x+7=5 (x+10)

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  1. 11 August, 13:51
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    B. - 4x + 7 = - 5 (x - 10)

    -4x + 7 = - 5x - 50

    +5x + 5x.

    x + 7 = - 50

    -7 - 7

    x = - 57
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