4/5a=2/7

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Solution for 4/5a=2/7 equation: 


a in (-oo:+oo)

(4/5)*a = 2/7 // - 2/7

(4/5)*a-(2/7) = 0

(4/5)*a-2/7 = 0

4/5*a-2/7 = 0 // + 2/7

4/5*a = 2/7 // : 4/5

a = 2/7/4/5

a = 5/14

a = 5/14

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