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(8*x)/5 = 2/3 // - 2/3
(8*x)/5-(2/3) = 0
(8*x)/5-2/3 = 0
8/5*x-2/3 = 0 // + 2/3
8/5*x = 2/3 // : 8/5
x = 2/3/8/5
x = 5/12
x = 5/12
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