In this worksheet, we will practice simplifying polynomial expressions by adding and subtracting like terms.

**Q5: **

Simplify the expression .

- A
- B
- C
- D
- E

**Q6: **

Simplify .

- A
- B
- C
- D

**Q7: **

The perimeter of a triangle is and the lengths of two of its sides are and . Express the length of the third side in terms of and .

- A cm
- B cm
- C cm
- D cm

**Q8: **

Simplify .

- A
- B
- C
- D

**Q9: **

Add , , , and .

- A
- B
- C
- D

**Q10: **

Simplify .

- A
- B
- C
- D
- E

**Q11: **

Simplify .

- A
- B
- C
- D
- E