help. quick. please.

Answer:x equals 67. 154 minus 87 is 67. 67 + 87 = 154.
Step-by-step explanation:
(Please mark brainliest)
Answer:
x=57°
Step-by-step explanation:
The unknown angle opposite x=180-154 (angles on a straight line)
=26°
Now
x=180-87-26 (angles of a triangle add up to 180°)
x=57°