Answer:
See explanation
Explanation:
Given


Required
Find x
The question is incomplete, as the relationship between both angles is not given
(1) If they are supplementary, then


Collect like terms


Divide both sides by 7

(2) If they are complementary, then


Collect like terms


Divide both sides by 7

(3) If they are vertically opposite angles, then

So, we have:

Collect like terms

