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(2*x)/4 = 3/5 // - 3/5
(2*x)/4-(3/5) = 0
(2*x)/4-3/5 = 0
1/2*x-3/5 = 0 // + 3/5
1/2*x = 3/5 // : 1/2
x = 3/5/1/2
x = 6/5
x = 6/5
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