Answer:
8°
Step-by-step explanation:
5w + 1° + 7w - 7° + 90° = 180° { being linear pair }
12w = 180° - 84°
12w = 96°
w = 96° / 12
w = 8°
Hope it helps :)
5w+1+90+7w-7=180(linear pair)
12w=180-84
w=96/12=8
