7-3n+n=-13

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Solution for 7-3n+n=-13 equation: 


n in (-oo:+oo)

n-(3*n)+7 = -13 // + 13

n-(3*n)+7+13 = 0

n-3*n+7+13 = 0

20-2*n = 0 // - 20

-2*n = -20 // : -2

n = -20/(-2)

n = 10

n = 10

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