31=4w+2w+1

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Solution for 31=4w+2w+1 equation: 


w in (-oo:+oo)

31 = 4*w+2*w+1 // - 4*w+2*w+1

31-(4*w)-(2*w)-1 = 0

31-4*w-2*w-1 = 0

30-6*w = 0 // - 30

-6*w = -30 // : -6

w = -30/(-6)

w = 5

w = 5

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