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(1/2)*(2*x-3) = 7 // - 7
(1/2)*(2*x-3)-7 = 0
1/2*(2*x-3)-7 = 0
1/2*(2*x-3)-7 = 0
x-17/2 = 0
x-17/2 = 0
x-17/2 = 0 // + 17/2
x = 17/2
x = 17/2
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