(3/7)n=9

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Solution for (3/7)n=9 equation: 


n in (-oo:+oo)

(3/7)*n = 9 // - 9

(3/7)*n-9 = 0

3/7*n-9 = 0 // + 9

3/7*n = 9 // : 3/7

n = 9/3/7

n = 21

n = 21

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