EDITED
Answer: x = 73.
Step-by-step explanation:
Angles on the same side of a line add up to 180.
As the angles 110 and (x-3) are on the same side of the line, you can solve for x using this equation:
[tex]180 = 110 + (x-3)\\\\70 = (x-3)\\73 = x[/tex]
