SOLUTION: Need help with: x+2y=5 2x+y=0

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Question 336600: Need help with:
x+2y=5
2x+y=0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.x%2B2y=5
2.2x%2By=0
From eq. 2,
y=-2x
Substitute into eq. 1,
x%2B2%28-2x%29=5
x-4x=5
-3x=5
highlight%28x=-5%2F3%29
Then from eq. 2,
y=-2x
y=-2%28-5%2F3%29
highlight%28y=10%2F3%29