Answer:

Step-by-step explanation:
- <u>Solve equation to find answer(s)</u>
<u></u>
Combine: 6z - 3z = 3z

Add: -2 + 3 = 1

Add 7 to both sides:

Simplify:

Divide both sides by 3:

Simplify:

- M -
This is probably the answer I’m not 100% sure
I've attached a photo of the solution below. Hope it helps!
The greatest common factor is 4r so
4r(d-4)
(28 : 100) *6 = 1.68 (tax)
28 + 1.68 = 29.68 (total cost)