Verified answer

Answer:

5

Step-by-step explanation:

its just math

Answer:

i) 4x + 5 = 45

4x = 45 - 5

4x = 40

x = 40/4

x = 10

ii) 3x - 7 = 11

3x = 11+7

3x = 18

x = 18/3

x = 6

Step-by-step explanation:

I hope this answer will help you ARMY