-31/7=-7w+2w+4/7

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Solution for -31/7=-7w+2w+4/7 equation: 


w in (-oo:+oo)

-31/7 = 2*w-7*w+4/7 // - 2*w-7*w+4/7

-(-7*w)-(2*w)-31/7-(4/7) = 0

7*w-2*w-31/7-4/7 = 0

5*w-5 = 0 // + 5

5*w = 5 // : 5

w = 5/5

w = 1

w = 1

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