Question #N820
If $x + 2y = 10$ and $x - 2y = 6$, what is the value of $x$?
A. 2
B. 4
C. 8
D. 16
Correct Answer is: C
Adding the two equations together eliminates $y$ and gives us $2x = 16$. Dividing both sides by 2 gives $x = 8$.