SOLUTION: solve by elimination x+y=-2 and -x+13y=14

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Question 591700: solve by elimination x+y=-2 and -x+13y=14
Answer by nerdybill(7384)   (Show Source): 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
-------------
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

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