1-7n+3n=45

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Solution for 1-7n+3n=45 equation: 


n in (-oo:+oo)

3*n-(7*n)+1 = 45 // - 45

3*n-(7*n)-45+1 = 0

3*n-7*n-45+1 = 0

-4*n-44 = 0 // + 44

-4*n = 44 // : -4

n = 44/(-4)

n = -11

n = -11

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