-31=2w+2w+9

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Solution for -31=2w+2w+9 equation: 


w in (-oo:+oo)

-31 = 2*w+2*w+9 // - 2*w+2*w+9

-(2*w)-(2*w)-31-9 = 0

-2*w-2*w-31-9 = 0

-4*w-40 = 0 // + 40

-4*w = 40 // : -4

w = 40/(-4)

w = -10

w = -10

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