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(1/2)*(10*x-3) = 5*x-1.5 // - 5*x-1.5
(1/2)*(10*x-3)-(5*x)+1.5 = 0
(1/2)*(10*x-3)-5*x+1.5 = 0
1/2*(10*x-3)-5*x+1.5 = 0
1/2*(10*x-3)-5*x+1.5 = 0
1.5-3/2 = 0
0 = 0
0 = 0
x belongs to the empty set
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