(x+1)/2=-7

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Solution for (x+1)/2=-7 equation: 


x in (-oo:+oo)

(x+1)/2 = -7 // + 7

(x+1)/2+7 = 0

(x+1)/2+(2*7)/2 = 0

x+2*7+1 = 0

x+15 = 0

(x+15)/2 = 0

(x+15)/2 = 0 // * 2

x+15 = 0

x+15 = 0 // - 15

x = -15

x = -15

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