Question 1: Given
find

Answer:

Explanation:
1. Subtract
from both sides:

2. Subtract
from both sides:

3. Multiply both sides by reciprocal
:

Question 2: Given
find

Answer:

Explanation:
1. Subtract
from both sides:

2. Subtract
from both sides:

3. Multiply both sides by reciprocal
:

4. Multiply both sides by
:
