a/2+2/5=5a/7+7/4

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


a in (-oo:+oo)

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

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

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

-3/14*a-27/20 = 0 // + 27/20

-3/14*a = 27/20 // : -3/14

a = 27/20/(-3/14)

a = -63/10

a = -63/10

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