Answer:
8z + 12
Step-by-step explanation:
[Given]
6z+3+2z+9
[Reorder]
6z + 3 + 2z + 9
6z + 2z + 3 + 9
[Combine like terms]
6z + 2z + 3 + 9
6z + 2z + 12
8z + 12
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
