4/5a=20

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Solution for 4/5a=20 equation: 


a in (-oo:+oo)

(4/5)*a = 20 // - 20

(4/5)*a-20 = 0

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

4/5*a = 20 // : 4/5

a = 20/4/5

a = 25

a = 25

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