Answer:'
x=20
Explanation:
In the diagram, angles 3x and (2x+20) degrees are alternate exterior angles,
This thus means that they are congruent.
Thus:
[tex]\begin{gathered} 3x=2x+20 \\ \text{ Subtract 2x from both sides:} \\ 3x-2x=2x-2x+20 \\ x=20 \end{gathered}[/tex]
The value of x is 20.
