somebody please help me with this question and no links!

Answer:
x = 14°
Step-by-step explanation:
4x + 2x + 6 = 90
6x + 6 = 90
subtract 6 from both sides
6x = 84
divide by 6 on both sides
x = 14°
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K