a/2+2/7=7a/9+9/4

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Solution for a/2+2/7=7a/9+9/4 equation: 


a in (-oo:+oo)

a/2+2/7 = (7*a)/9+9/4 // - (7*a)/9+9/4

a/2-((7*a)/9)+2/7-(9/4) = 0

a/2+(-7/9)*a+2/7-9/4 = 0

-5/18*a-55/28 = 0 // + 55/28

-5/18*a = 55/28 // : -5/18

a = 55/28/(-5/18)

a = -99/14

a = -99/14

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