-39-q/2=21

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Solution for -39-q/2=21 equation: 


q in (-oo:+oo)

-(q/2)-39 = 21 // - 21

-(q/2)-39-21 = 0

-1/2*q-60 = 0 // + 60

-1/2*q = 60 // : -1/2

q = 60/(-1/2)

q = -120

q = -120

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