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(5*x)/4-(4/3) = (2*x)/5 // - (2*x)/5
(5*x)/4-((2*x)/5)-(4/3) = 0
(5*x)/4+(-2/5)*x-4/3 = 0
17/20*x-4/3 = 0 // + 4/3
17/20*x = 4/3 // : 17/20
x = 4/3/17/20
x = 80/51
x = 80/51
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