(4+x)/2=-1

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


x in (-oo:+oo)

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

(x+4)/2+1 = 0

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

x+1*2+4 = 0

x+6 = 0

(x+6)/2 = 0

(x+6)/2 = 0 // * 2

x+6 = 0

x+6 = 0 // - 6

x = -6

x = -6

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