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(2*x)/5+4/5 = 16 // - 16
(2*x)/5+4/5-16 = 0
2/5*x-76/5 = 0 // + 76/5
2/5*x = 76/5 // : 2/5
x = 76/5/2/5
x = 38
x = 38
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