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3*x-(5/2) = 5*x+2*x-3 // - 5*x+2*x-3
3*x-(5*x)-(2*x)-(5/2)+3 = 0
3*x-5*x-2*x-5/2+3 = 0
1/2-4*x = 0 // - 1/2
-4*x = -1/2 // : -4
x = -1/2/(-4)
x = 1/8
x = 1/8
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