-1/5+2/5n+3n=84/5

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Solution for -1/5+2/5n+3n=84/5 equation: 


n in (-oo:+oo)

(2/5)*n+3*n-1/5 = 84/5 // - 84/5

(2/5)*n+3*n-1/5-(84/5) = 0

(2/5)*n+3*n-1/5-84/5 = 0

17/5*n-17 = 0 // + 17

17/5*n = 17 // : 17/5

n = 17/17/5

n = 5

n = 5

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