Question: What is the solution to the system of equations: 2x + y = 10 and x - y = 2?

Options:

1. (4, 2)
2. (2, 6)
3. (6, 4)
4. (0, 10)

Correct Answer: (4, 2)

Solution:

From x - y = 2, we get y = x - 2. Substituting into the first equation gives x = 4, y = 2.