ANSWER
x = 30 degrees
EXPLANATION
Recall, vertical angles are equal
[tex]\begin{gathered} (2x\text{ + 10)}\degree\text{ = 70}\degree \\ 2x\text{ + 10}\degree\text{ 70}\degree \\ \text{subtract 10 from both sdides} \\ 2x\text{ + 10 - 10 = 70 - 10} \\ 2x\text{ = 60} \\ \text{Divide both sides by 2} \\ \frac{2x}{2}\text{ = }\frac{60}{2} \\ x\text{ = 30 degr}ees \end{gathered}[/tex]
Hence, x = 30 degrees
