please help me if you can/want to, please and thanks!

Answer:
z=4
Step-by-step explanation:
First what you want to do is subtract 3z on both sides. You will get 2z+8=16
Next you want to subtract 8 on both sides. This will give you 2z=8
After that you divide by 2 on both sides giving you z=8/2 or 4.
Hope this helped!