-7w+3=-81

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Solution for -7w+3=-81 equation: 


w in (-oo:+oo)

3-7*w = -81 // + 81

3-7*w+81 = 0

84-7*w = 0 // - 84

-7*w = -84 // : -7

w = -84/(-7)

w = 12

w = 12

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