-6/7+1/2n-4/5n=-249/70

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Solution for -6/7+1/2n-4/5n=-249/70 equation: 


n in (-oo:+oo)

(1/2)*n-((4/5)*n)-6/7 = -249/70 // + -249/70

(1/2)*n-((4/5)*n)-6/7-(-249/70) = 0

(1/2)*n+(-4/5)*n-6/7+249/70 = 0

27/10-3/10*n = 0 // - 27/10

-3/10*n = -27/10 // : -3/10

n = -27/10/(-3/10)

n = 9

n = 9

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