5n-4/5n-20

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Solution for 5n-4/5n-20 equation: 


n in (-oo:+oo)

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

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

21/5*n-20 = 0 // + 20

21/5*n = 20 // : 21/5

n = 20/21/5

n = 100/21

n = 100/21

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