Solve for x in the diagram below.
3xº
75°

Answer:
x = 35°
Step-by-step explanation:
A flat line = 180°
Knowing that, we can make an equation:
3x + 75 = 180
Now, solve:
3x + 75 = 180
- 75 - 75
3x = 105
x = 35
Hope this helps :)