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(2*x)/5+x/2 = 2*x+2/5 // - 2*x+2/5
(2*x)/5+x/2-(2*x)-(2/5) = 0
(2*x)/5+x/2-2*x-2/5 = 0
-11/10*x-2/5 = 0 // + 2/5
-11/10*x = 2/5 // : -11/10
x = 2/5/(-11/10)
x = -4/11
x = -4/11
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