Question #N50
If $x + 2y = 10$ and $x - 2y = 6$, what is the value of $x$?
A. 2
B. 6
C. 8
D. 16
Correct Answer is: C
Adding the two equations together, we get $2x = 16$. Dividing both sides of this equation by 2, we get $x = 8$.