-4+5w+4w=86

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Solution for -4+5w+4w=86 equation: 


w in (-oo:+oo)

5*w+4*w-4 = 86 // - 86

5*w+4*w-86-4 = 0

9*w-90 = 0 // + 90

9*w = 90 // : 9

w = 90/9

w = 10

w = 10

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