Answer:
[tex]\huge\boxed{x=25}[/tex]
Step-by-step explanation:
These two angles are supplementary. This means their angle measurements add up to 180°.
We know the measure of both angles, so we can add up the measurements and make them equal to 180.
[tex](5x + 10) + (2x-5) = 180[/tex]
We can now solve for x.
[tex]7x + 5 = 180\\\\7x = 175\\\\x=25[/tex]
So [tex]x=25[/tex].
Hope this helped!
