Answer:
value of x is 26.
Explanation:
Given:
2(x+15)°+(3x+20)°=180°
Since the sum of angle of co interior angle is supplementary.
Solving for x.
2(x+15)°+(3x+20)°=180°
2x+30+3x+20=180
5x+50 =180
- Subtracting both side by 50.
5x=180-50
5x=130
x=130/5
x=26
Therefore value of x is 26.