3/4(7x-1) - {2x - (1 - x) /2} = x + 3/2
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3/4 (7x -1) - (2x - (1 - x /2) ) = (x+4/2)
(21x-3) - [1x/2 - (1 -x/2)] = (x+4/2)
(21x - 3/4) - (5x - 1/2) 2 = (x+4/2)
(21x-3/4) -(10x -2/4) = (2x+8/4)
21x - 3 - 10x + 2 = 2x + 8
11x - 1 = 2x + 8
9x = 9
x = 1
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