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