-3d+7=-23

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Solution for -3d+7=-23 equation: 


d in (-oo:+oo)

7-3*d = -23 // + 23

7-3*d+23 = 0

30-3*d = 0 // - 30

-3*d = -30 // : -3

d = -30/(-3)

d = 10

d = 10

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