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4/3 = (4*x)/9+11/12 // - (4*x)/9+11/12
4/3-((4*x)/9)-(11/12) = 0
(-4/9)*x+4/3-11/12 = 0
5/12-4/9*x = 0 // - 5/12
-4/9*x = -5/12 // : -4/9
x = -5/12/(-4/9)
x = 15/16
x = 15/16
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