Answer:
x=12
Step-by-step explanation:
2x-4=20
+4 +4
2x+24
2x ÷2
24÷2=12
Therefore, x=12
Answer:
35
Step-by-step explanation:
10 + 25 = 35
You will get 2728055553 as the sum. :)
Answer:
20 Books
Step-by-step explanation:
Answer:
<ABC = 30°
Step-by-step explanation:
Vertical angles are equal
So
4x+2 = 7x - 19
-7x + 4x = -19 - 2
-3x = -21
x = 7
<ABC = 4(7) + 2 = 28 + 2 = 30
<ABC = 30°