SOLUTION: how do I solve the following: 2x = 2 - y 3x + y = -1

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Question 283894: how do I solve the following:
2x = 2 - y
3x + y = -1
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
first thing is rearrange the equations so that they are in ax+by=c order
2x-y=2
3x+y=-1
just add the two equations
5x=1
x=1/5
substitute into either equation
2*1/5-y=2
2/5-y=2
subtract2/5 from both sides
-y=2-2/5
-y=1 3/5
y=-1 3/5= -8/5