-7w+7=77

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Solution for -7w+7=77 equation: 


w in (-oo:+oo)

7-7*w = 77 // - 77

7-7*w-77 = 0

-7*w-70 = 0 // + 70

-7*w = 70 // : -7

w = 70/(-7)

w = -10

w = -10

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