Step-by-step explanation:
The answer to the first one is: 4cd+4b.
The answer to the second one is: 2ab+4a+7b+14
(I'm assuming that you want to simplify)
2x+4=10-4x
-2x+4=10
-2x=6
X=-3
Here is my answer. I hope you can read it and see how I solved it. I’m not 100% sure on this one, but I think I’m correct.
Answer-
-8
Step-by-step explanation: