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(1/2)*(2*x-3) = 3 // - 3
(1/2)*(2*x-3)-3 = 0
1/2*(2*x-3)-3 = 0
1/2*(2*x-3)-3 = 0
x-9/2 = 0
x-9/2 = 0
x-9/2 = 0 // + 9/2
x = 9/2
x = 9/2
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