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(1/2)*x-4 = 3*x-((5/2)*x)+10 // - 3*x-((5/2)*x)+10
(1/2)*x-(3*x)+(5/2)*x-10-4 = 0
(1/2)*x-3*x+(5/2)*x-10-4 = 0
-14 = 0
x belongs to the empty set
x belongs to the empty set
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