-w-9=7w+7

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Solution for -w-9=7w+7 equation: 


w in (-oo:+oo)

-w-9 = 7*w+7 // - 7*w+7

-w-(7*w)-9-7 = 0

-w-7*w-9-7 = 0

-8*w-16 = 0 // + 16

-8*w = 16 // : -8

w = 16/(-8)

w = -2

w = -2

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