-7n+9=-3+5n

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Solution for -7n+9=-3+5n equation: 


n in (-oo:+oo)

9-7*n = 5*n-3 // - 5*n-3

3-7*n-(5*n)+9 = 0

3-7*n-5*n+9 = 0

12-12*n = 0 // - 12

-12*n = -12 // : -12

n = -12/(-12)

n = 1

n = 1

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