20n=-4/5 - solution

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Solution for 20n=-4/5 equation:

n in (-oo:+oo)

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

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

20*n+4/5 = 0

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

20*n = -4/5 // : 20

n = -4/5/20

n = -1/25

n = -1/25

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