1/2x-1=1/3(x+3/4)
1/2х -1 =1/3х + 1/4
1/2х -1/3х = 1/4 +1
1/6х = 1 1/4
1/6х = 5/4
х = 5/4 * 6
х = 15/2
х = 7 1/2