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(3*x)/4+2*x-(1/5) = 5/4-((3*x)/20) // - 5/4-((3*x)/20)
(3*x)/4+2*x+(3*x)/20-(1/5)-(5/4) = 0
(3*x)/4+2*x+(3*x)/20-1/5-5/4 = 0
29/10*x-29/20 = 0 // + 29/20
29/10*x = 29/20 // : 29/10
x = 29/20/29/10
x = 1/2
x = 1/2
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