3/14a+20/21=4/7a

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Solution for 3/14a+20/21=4/7a equation: 


a in (-oo:+oo)

(3/14)*a+20/21 = (4/7)*a // - (4/7)*a

(3/14)*a-((4/7)*a)+20/21 = 0

(3/14)*a+(-4/7)*a+20/21 = 0

20/21-5/14*a = 0 // - 20/21

-5/14*a = -20/21 // : -5/14

a = -20/21/(-5/14)

a = 8/3

a = 8/3

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