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3*x-(2/4) = (2*x)/5 // - (2*x)/5
3*x-((2*x)/5)-(2/4) = 0
3*x+(-2/5)*x-1/2 = 0
13/5*x-1/2 = 0 // + 1/2
13/5*x = 1/2 // : 13/5
x = 1/2/13/5
x = 5/26
x = 5/26
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