-7d+5=12

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Solution for -7d+5=12 equation: 


d in (-oo:+oo)

5-7*d = 12 // - 12

5-7*d-12 = 0

-7*d-7 = 0 // + 7

-7*d = 7 // : -7

d = 7/(-7)

d = -1

d = -1

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