7+7n=70

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Solution for 7+7n=70 equation: 


n in (-oo:+oo)

7*n+7 = 70 // - 70

7*n-70+7 = 0

7*n-63 = 0 // + 63

7*n = 63 // : 7

n = 63/7

n = 9

n = 9

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