You multiply each side of the equation by 16 .
The interior angles of a triangle must add to 180 degrees.
110+5x+2x=180
110+7x=180
7x=70
x=10
Then plug in the x value into each angle expression
5(10)=50 degrees
2(10)=20 degrees
The answer should be positive 5 or 5
Answer:
Option three
Step-by-step explanation:
