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(2*x)/5 = x+4/3 // - x+4/3
(2*x)/5-x-(4/3) = 0
(2*x)/5-x-4/3 = 0
-3/5*x-4/3 = 0 // + 4/3
-3/5*x = 4/3 // : -3/5
x = 4/3/(-3/5)
x = -20/9
x = -20/9
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