3n+9+4n=23

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Solution for 3n+9+4n=23 equation: 


n in (-oo:+oo)

3*n+4*n+9 = 23 // - 23

3*n+4*n-23+9 = 0

7*n-14 = 0 // + 14

7*n = 14 // : 7

n = 14/7

n = 2

n = 2

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