Question #N571
If $x + y = 5$ and $x - y = 1$, what is the value of $x$?
A. 2
B. 3
C. 4
D. 5
Correct Answer is: B
Adding the two equations together, we get $(x + y) + (x - y) = 5 + 1$. This simplifies to $2x = 6$, so $x = 3$.