21/3+3n=4/5n+12

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Solution for 21/3+3n=4/5n+12 equation: 


n in (-oo:+oo)

3*n+21/3 = (4/5)*n+12 // - (4/5)*n+12

3*n-((4/5)*n)+21/3-12 = 0

3*n+(-4/5)*n+21/3-12 = 0

11/5*n-5 = 0 // + 5

11/5*n = 5 // : 11/5

n = 5/11/5

n = 25/11

n = 25/11

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