-21-1/7n=5/7n

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Solution for -21-1/7n=5/7n equation: 


n in (-oo:+oo)

-((1/7)*n)-21 = (5/7)*n // - (5/7)*n

-((1/7)*n)-((5/7)*n)-21 = 0

(-1/7)*n+(-5/7)*n-21 = 0

-6/7*n-21 = 0 // + 21

-6/7*n = 21 // : -6/7

n = 21/(-6/7)

n = -49/2

n = -49/2

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