Answer:
Not to sure about these but I'll do my best
Step-by-step explanation:
4. 3x + 21
5. 25 -5x
6. 8x - 16
7. 5x + 8
8. 2(x + 3)
9. 7(2-x)
10. 5(x - 2)
11. x(x + 4)
12. a Sarah is right
12. b emily made a mistake when she added 11 + 4 instead of multiplying 11 times 3
Plz make brainliest if correct
