-7+7n=77

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Solution for -7+7n=77 equation: 


n in (-oo:+oo)

7*n-7 = 77 // - 77

7*n-77-7 = 0

7*n-84 = 0 // + 84

7*n = 84 // : 7

n = 84/7

n = 12

n = 12

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