16/2x-1 +7=11
Assuming you want to solve for x. Assuming it's just 16/2x - 1 (not 16/(2x - 1).
16/2x = 8/x
-1 + 7 = 6
8/x + 6 = 11
subtract 6 from both sides
8/x = 5
8 = 5x so x = 8/5
