Answer:
58°
Step-by-step explanation:
[tex](x + 6) \degree + 2x \degree = 180 \degree..(straight \: line \: \angle s) \\ \\ (3x + 6) \degree = 180 \degree \\ \\ 3x + 6 = 180 \\ \\3x = 180 - 6 \\ \\ 3x = 174 \\ \\ x = \frac{174}{3} \\ \\ \huge \red{ \boxed{ x = 58}}[/tex]
