Question 159890
x+3y=6 
1x+3y=6
  -3 -3
--------
1x  = 3
--    -
 1    1
--------
 x  = 3


x+3y=-14
1x+3y=-14
-3y -14
----------
1x   =-14
--    ---
1      1
----------
x   =-14