3+4w+7w=91

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Solution for 3+4w+7w=91 equation: 


w in (-oo:+oo)

4*w+7*w+3 = 91 // - 91

4*w+7*w-91+3 = 0

11*w-88 = 0 // + 88

11*w = 88 // : 11

w = 88/11

w = 8

w = 8

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