Question #N446
If $x + 2y = 10$ and $x - 2y = 4$, what is the value of $x$?
A. 3
B. 7
C. 14
D. 18
Correct Answer is: B
Adding the two equations together eliminates $y$, giving us $2x = 14$. Dividing both sides by 2, we get $x=7$.