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**Question 1: ****Solve for unknown variable x, and write the answer using interval notation.**

**Answer: **

**Explanation: **Expand the bracket. And, rearrange the terms to solve for

**Question 2: ****Solve for q.**

**Answer: **

**Explanation: **Rearrange the terms to solve for q.

**Question 3: ****Solve for r, and write the solution using interval notation.**

**Answer: **

**Explanation: **Expand the bracket. And, rewrite the terms to solve for **.**

**Question 4: ****Solve for unknown variable x, and write the solution using interval notation.**

**Answer: **

**Explanation: **Subtract 2 from all parts of inequality.

**Question 5: ****Solve for unknown variable x, and write the solution using interval notation.**

**Answer: **

**Explanation: **Add 3 to all parts of inequality.

**Question 6: ****Solve for y.**

**Answer: **

**Explanation: **Add 3 to both sides of inequality.

**Question 7: ****Solve for z, and write the answer using interval notation.**

**Answer: **

**Explanation: **Rearrange the terms to isolate the z.

**Question 8: ****Solve for a. And, show the solution on the number line.**

**Answer: **

**Explanation: **Rearrange the terms to isolate the a.

**Question 9: ****Solve for b. And, show the solution on the number line.**

**Answer: **

**Explanation: **Add 4 to all sides of the inequality.

**Question 10: ****Solve for x, write the interval solution. And, show the solution on the number line.**

** or **

**Answer: **

**Explanation: **Solve each inequality.