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x in (-oo:+oo)
3*x-(1/8) = x/2 // - x/2
3*x-(x/2)-(1/8) = 0
3*x-(x/2)-1/8 = 0
5/2*x-1/8 = 0 // + 1/8
5/2*x = 1/8 // : 5/2
x = 1/8/5/2
x = 1/20
x = 1/20
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