Answer:
a) x=60°, 2x=120°
b) x=36°
Step-by-step explanation:
The answer is 34, bec what you do is: 67 - 33.
k = 21
10^4 or 3.5
2 x 2 + 8 + 3 x 2 + 4x - 10
4 + 8 + 8 + 6 + 4x - 10
26 + 4x - 10
20 + 4x
The answer is 20 + 4x