4n+5=115-7n

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Solution for 4n+5=115-7n equation: 


n in (-oo:+oo)

4*n+5 = 115-(7*n) // - 115-(7*n)

4*n+7*n-115+5 = 0

11*n-110 = 0 // + 110

11*n = 110 // : 11

n = 110/11

n = 10

n = 10

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