3n+9=39

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Solution for 3n+9=39 equation: 


n in (-oo:+oo)

3*n+9 = 39 // - 39

3*n-39+9 = 0

3*n-30 = 0 // + 30

3*n = 30 // : 3

n = 30/3

n = 10

n = 10

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