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(3*x)/4-(x/3)+1 = (4*x)/5-(3/20) // - (4*x)/5-(3/20)
(3*x)/4-(x/3)-((4*x)/5)+3/20+1 = 0
(3*x)/4-(x/3)+(-4/5)*x+3/20+1 = 0
23/20-23/60*x = 0 // - 23/20
-23/60*x = -23/20 // : -23/60
x = -23/20/(-23/60)
x = 3
x = 3
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