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x in (-oo:+oo)
(1/2)*x-(1/3) = 5/2 // - 5/2
(1/2)*x-(1/3)-(5/2) = 0
(1/2)*x-1/3-5/2 = 0
1/2*x-17/6 = 0 // + 17/6
1/2*x = 17/6 // : 1/2
x = 17/6/1/2
x = 17/3
x = 17/3
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