4-2n+3/5n=47/10

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Solution for 4-2n+3/5n=47/10 equation: 


n in (-oo:+oo)

(3/5)*n-(2*n)+4 = 47/10 // - 47/10

(3/5)*n-(2*n)-(47/10)+4 = 0

(3/5)*n-2*n-47/10+4 = 0

-7/5*n-7/10 = 0 // + 7/10

-7/5*n = 7/10 // : -7/5

n = 7/10/(-7/5)

n = -1/2

n = -1/2

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