Answer:
x=13, 16(x-1)
Step-by-step explanation:
For 38, you have to first divide both sides by 2.
This becomes, x-6=7
Add 6 to both sides
x=13.
For 40. You can can distribute the 8.
This makes it 16x-16.
With this you can than, factor out the 16.
16(x-1).
Plug the numbers into the equation
5(5) - 2 = ?
25 -2 = 23
23
Can you add a picture? I don't see a circle. I will answer this question if you add a picture.