129=6n+4n+9

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Solution for 129=6n+4n+9 equation: 


n in (-oo:+oo)

129 = 6*n+4*n+9 // - 6*n+4*n+9

129-(6*n)-(4*n)-9 = 0

129-6*n-4*n-9 = 0

120-10*n = 0 // - 120

-10*n = -120 // : -10

n = -120/(-10)

n = 12

n = 12

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