Question #N522
If $3x - 2y = 12$ and $x + 2y = 4$, what is the value of $x$?
A. 2
B. 4
C. 6
D. 8
Correct Answer is: B
Adding the two equations together, we get $(3x-2y) + (x+2y) = 12 + 4$. The y-terms cancel out, leaving us with $4x = 16$. Dividing both sides by 4, we get $x = 4$.