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