68 2/3 = 206/3 or 68.66...
68 + 59 = 127
49 + 72 + 68 = 189
24.38
768
68
34+34=68
28 + N = 68 Subtract 28 from each side: N = 40
It is: 18 plus 50 equals 68
67
The conclusion is easy. Take your numbers 68 and 126, and subtract. 126 - 68 equals 58, so 58 is the value of x.
If you mean as an equation in the form of 8x+4 = 68 then x equals 8
91000 mm.