-10+7d=-31

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Solution for -10+7d=-31 equation:


d in (-oo:+oo)

7*d-10 = -31 // + 31

7*d-10+31 = 0

7*d+21 = 0 // - 21

7*d = -21 // : 7

d = -21/7

d = -3

d = -3

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