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If 9x - [5(2x + 1)/2] = 9/2, then the value of x is?
7/4
-7/4
4/7
-4/7
9x - [5(2x + 1)/2] = 9/2
9x - (10x+5)/2 = 9/2
9x - 5x - 5/2 = 9/2
4x = 14/2
x = 7/4
So the answer is option A.
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