3(x+4)/2+1=-7

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Solution for 3(x+4)/2+1=-7 equation: 


x in (-oo:+oo)

(3*(x+4))/2+1 = -7 // + 7

(3*(x+4))/2+1+7 = 0

(3*(x+4))/2+(1*2)/2+(2*7)/2 = 0

3*(x+4)+1*2+2*7 = 0

3*x+14+14 = 0

3*x+28 = 0

(3*x+28)/2 = 0

(3*x+28)/2 = 0 // * 2

3*x+28 = 0

3*x+28 = 0 // - 28

3*x = -28 // : 3

x = -28/3

x = -28/3

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