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(1/2)*x-(3/4) = 11/4 // - 11/4
(1/2)*x-(3/4)-(11/4) = 0
(1/2)*x-3/4-11/4 = 0
1/2*x-7/2 = 0 // + 7/2
1/2*x = 7/2 // : 1/2
x = 7/2/1/2
x = 7
x = 7
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