Answer:
a. 5 + 8x
b. 7x + 1
Step-by-step explanation:
3 + 4x + 2 + 2x + 2x
5 + 4x + 2x + 2x
5 + 8x
8x + 4 - 3 - x
7x + 4 - 3
7x + 1
