-4=x+x+4

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Solution for -4=x+x+4 equation: 


x in (-oo:+oo)

-4 = x+x+4 // - x+x+4

-x-x-4-4 = 0

-2*x-8 = 0 // + 8

-2*x = 8 // : -2

x = 8/(-2)

x = -4

x = -4

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