Answer:
X=3
Step-by-step explanation:
20-2 = 18
18 divided by 6 = 3
x=3
21.
-3(6y)
multiplying we get
-18y
22.
-7a(3b)
on multiplying we get
-21ab
3
1+1+1=3
∠1 = 51
∠2= 51
∠3= 39
∠4= 51
