Question 604488
use elimination method
multiply the first equation by -6 to cancel y 
30x-6yy=12
-3x+6y=-12
add 
27x=0
x=0
to find the value of y substitute value of x=0 in -5x+y=-2 or in -3x+6y=-12
take -5x+y=-2
 -5 * 0+y=-2
   y=-2
so value of  x=0,value of y=-2