-20=x/2+7

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Solution for -20=x/2+7 equation: 


x in (-oo:+oo)

-20 = x/2+7 // - x/2+7

-(x/2)-20-7 = 0

-1/2*x-27 = 0 // + 27

-1/2*x = 27 // : -1/2

x = 27/(-1/2)

x = -54

x = -54

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