-7-2w+7w=8

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Solution for -7-2w+7w=8 equation: 


w in (-oo:+oo)

7*w-(2*w)-7 = 8 // - 8

7*w-(2*w)-8-7 = 0

7*w-2*w-8-7 = 0

5*w-15 = 0 // + 15

5*w = 15 // : 5

w = 15/5

w = 3

w = 3

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