Solve the following expression: [ 6,8 - x )

Solution:

The expression is given as [ 6,8 - x ).

This notation typically represents an interval. The square bracket [ indicates that the lower bound is included in the interval, and the parenthesis ) indicates that the upper bound is excluded.

In this case, the expression represents the set of all numbers greater than or equal to 6.8 and less than x.

Answer: The expression represents an interval where numbers are greater than or equal to 6.8 and less than x.