You can put this solution on YOUR website! solve by elimination x+y=-2 and -x+13y=14
.
Add both equations together:
x+ y=-2
-x+13y=14
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14y = 12
y = 12/14
y = 6/7
.
to find x, substitute the above into:
x+y=-2
x+6/7=-2
x=-2-6/7
x=-14/7-6/7
x = -20/7
.
solution:
x= -20/7
y= 6/7
