Answer:
120°
Step-by-step explanation:
The angle just below 'x' is 40° (alternate angles/parallel lines)
40 + x + 20 = 180 ( straight line)
x = 120°
7
m=2
Distribute 2 to 3m and -1
6m-2=3
add 2 to both sides
6m=3
divide 3 on both sides
