SOLUTION: solve the following system x+2y+1=0 xy-y=0

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Question 699383: solve the following system
x+2y+1=0
xy-y=0
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
x + 2y + 1 = 0
:
xy - y = 0
xy = y
divide both sides by y
x = 1
:
Replace x in the 1st equation with 1, find y
1 + 2y + 1 = 0
2y + 2 = 0
2y = -2
y = -1
:
solution: x=1, y=-1