-4=1/2x

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Solution for -4=1/2x equation: 


x in (-oo:+oo)

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

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

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

-1/2*x-4 = 0 // + 4

-1/2*x = 4 // : -1/2

x = 4/(-1/2)

x = -8

x = -8

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