23=7n-n-7

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Solution for 23=7n-n-7 equation: 


n in (-oo:+oo)

23 = 7*n-n-7 // - 7*n-n-7

n-(7*n)+7+23 = 0

n-7*n+7+23 = 0

30-6*n = 0 // - 30

-6*n = -30 // : -6

n = -30/(-6)

n = 5

n = 5

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