1/5n+1/4=9/20

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Solution for 1/5n+1/4=9/20 equation: 


n in (-oo:+oo)

(1/5)*n+1/4 = 9/20 // - 9/20

(1/5)*n+1/4-(9/20) = 0

(1/5)*n+1/4-9/20 = 0

1/5*n-1/5 = 0 // + 1/5

1/5*n = 1/5 // : 1/5

n = 1/5/1/5

n = 1

n = 1

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