ANSWER
93 degrees
Step-by-step explanation
We have the two angles on that line, x and x - 6.
Angles on a line sum up to 180 degrees. So, we have that:
x + x - 6 = 180
Collect like terms:
=> 2x = 180 + 6 = 186
x = 186 / 2
x = 93 degrees
That is the value of x