Answer:
x=34
Explanation:
First, we know that the other angle on the bottom left is supplementary to 121, so the two add up to 180.
180-121=59
So, the two bottom angles are 59 and 87
All the angles in a triangle must add up to 180
59+87+x=180
146+x=180
Subtract 146 from both sides
x=34
Hope this helps! :)