Answer:
[tex]x = 61[/tex]
Step-by-step explanation:
The two angles are Supplementary angles. Therefore, the sum is 180 degrees
[tex](2x - 6) + (x + 3) = 180 \\ 2x + x - 6 + 3 = 180\\ 3x - 3 = 180 \\ 3x = 180 + 3 = 183 \\ x = \frac{183}{3} = 61[/tex]
