-7n+3=-21-5n

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Solution for -7n+3=-21-5n equation: 


n in (-oo:+oo)

3-7*n = -(5*n)-21 // + -(5*n)-21

5*n-7*n+3+21 = 0

24-2*n = 0 // - 24

-2*n = -24 // : -2

n = -24/(-2)

n = 12

n = 12

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