-7b-2=-86

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Solution for -7b-2=-86 equation: 


b in (-oo:+oo)

-7*b-2 = -86 // + 86

86-7*b-2 = 0

84-7*b = 0 // - 84

-7*b = -84 // : -7

b = -84/(-7)

b = 12

b = 12

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