2/5n+4=20

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Solution for 2/5n+4=20 equation: 


n in (-oo:+oo)

(2/5)*n+4 = 20 // - 20

(2/5)*n-20+4 = 0

2/5*n-20+4 = 0 // - 4-20

2/5*n = -(4-20) // : 2/5

n = (-(4-20))/2/5

n = 5/2*(20-4)

n = 5/2*(20-4)

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