7w+7=84

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Solution for 7w+7=84 equation: 


w in (-oo:+oo)

7*w+7 = 84 // - 84

7*w-84+7 = 0

7*w-77 = 0 // + 77

7*w = 77 // : 7

w = 77/7

w = 11

w = 11

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