Question 1057024

3x-9y=12
-4x+12y=-16
<pre>  3x -  9y = 12 ------- eq (i)
- 4x + 12y = - 16 ----- eq (ii)
Divide eq (i) by 3, and eq (ii) by 4. You can then immediately ELIMINATE x
Solve to find the value of y. 
Then find the value of x.