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(2*x)/5-(x/2)+2+5 = 23/10 // - 23/10
(2*x)/5-(x/2)-(23/10)+2+5 = 0
(2*x)/5-(x/2)-23/10+2+5 = 0
47/10-1/10*x = 0 // - 47/10
-1/10*x = -47/10 // : -1/10
x = -47/10/(-1/10)
x = 47
x = 47
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