Answer:
137
43
Step-by-step explanation:
A straight line is another way of saying that the angle making the straight line always has 180 degrees. So the two angles in brown add up to 180 degrees.
6x + 20 + 2x + 4 = 180 Combine like terms on the left.
8x + 24 = 180 Subtract 24 from both sides.
8x + 24-24 = 180-24
8x = 156 Divide both sides by 8
8x/8 = 156/8 Do the division
x = 19.5
The two angles are
6x + 20 = 6*19.5 + 20 = 117 + 20 = 137
2x + 4 = 2*19.5 + 4 = 39 + 4 = 43
These do add to 180
