3+3n+6n=75 - solution

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Solution for 3+3n+6n=75 equation:

n in (-oo:+oo)

3*n+6*n+3 = 75 // - 75

3*n+6*n-75+3 = 0

9*n-72 = 0 // + 72

9*n = 72 // : 9

n = 72/9

n = 8

n = 8

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