Answer:
x1 = -15.92, x2 = 2.42
x = 33
Step-by-step explanation:
The two angles add to 180 degrees
x+13 + 4x+2 = 180
Combine like terms
5x+15 =180
Subtract 15 from each side
5x+15-15 = 180-15
5x =165
Divide by 5
5x/5 =165/5
x =33
