Answer:
x = 14
Step-by-step explanation:
Total angle measure of a triangle - 180°
Add all the angles together and make them equal to 180.
Solve for x.
7x - 11 + 5x - 2 + 2x - 3 = 180
14x - 16 = 180
14x - 16 + 16 = 180 + 16
14x = 196
[tex]\frac{14x}{14} = \frac{196}{14}[/tex]
x = 14
