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(2*x)/3-((5*x)/12) = 5/4 // - 5/4
(2*x)/3-((5*x)/12)-(5/4) = 0
(2*x)/3+(-5/12)*x-5/4 = 0
1/4*x-5/4 = 0 // + 5/4
1/4*x = 5/4 // : 1/4
x = 5/4/1/4
x = 5
x = 5
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