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x in (-oo:+oo)
2*(x-2) = 3*x-(9/2) // - 3*x-(9/2)
2*(x-2)-(3*x)+9/2 = 0
2*(x-2)-3*x+9/2 = 0
(2^2*(x-2))/2+(-3*2*x)/2+9/2 = 0
2^2*(x-2)-3*2*x+9 = 0
9-2*x-8 = 0
1-2*x = 0
(1-2*x)/2 = 0
(1-2*x)/2 = 0 // * 2
1-2*x = 0
1-2*x = 0 // - 1
-2*x = -1 // : -2
x = -1/(-2)
x = 1/2
x = 1/2
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