7d+2=-12

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Solution for 7d+2=-12 equation: 


d in (-oo:+oo)

7*d+2 = -12 // + 12

7*d+2+12 = 0

7*d+14 = 0 // - 14

7*d = -14 // : 7

d = -14/7

d = -2

d = -2

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