3+7w=-81

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Solution for 3+7w=-81 equation: 


w in (-oo:+oo)

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

7*w+3+81 = 0

7*w+84 = 0 // - 84

7*w = -84 // : 7

w = -84/7

w = -12

w = -12

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