-30-(42)=x/2

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Solution for -30-(42)=x/2 equation: 


x in (-oo:+oo)

-42-30 = x/2 // - x/2

-(x/2)-42-30 = 0

-1/2*x-72 = 0 // + 72

-1/2*x = 72 // : -1/2

x = 72/(-1/2)

x = -144

x = -144

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