-4+3n+3n=20

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Solution for -4+3n+3n=20 equation: 


n in (-oo:+oo)

3*n+3*n-4 = 20 // - 20

3*n+3*n-20-4 = 0

6*n-24 = 0 // + 24

6*n = 24 // : 6

n = 24/6

n = 4

n = 4

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