-2w-9=7

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Solution for -2w-9=7 equation: 


w in (-oo:+oo)

-2*w-9 = 7 // - 7

-2*w-9-7 = 0

-2*w-16 = 0 // + 16

-2*w = 16 // : -2

w = 16/(-2)

w = -8

w = -8

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