anonymous
  • anonymous
pls help. I tried, but failed... lol. medal and fan! solve the following system. x+y=0 x-y+2=0 thanks so much!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@SolomonZelman @mathmale
anonymous
  • anonymous
@jigglypuff314 @dan815 @zepdrix
zepdrix
  • zepdrix
Solve it :U

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zepdrix
  • zepdrix
How bout... add the equations together, what happens? :)
anonymous
  • anonymous
lol srry, im dumb XD
anonymous
  • anonymous
im still really confused....
zepdrix
  • zepdrix
|dw:1450298736803:dw|
zepdrix
  • zepdrix
|dw:1450298787777:dw|add them
zepdrix
  • zepdrix
How many x's do you end up with?
anonymous
  • anonymous
2...? @zepdrix
zepdrix
  • zepdrix
|dw:1450298995633:dw|k good
anonymous
  • anonymous
lol it doesn't give any answer choices... tht is y im confused. it just says to solve it... @ItsKoreyyy
zepdrix
  • zepdrix
How the y's? You have a y, and you're taking away a y. If you have 1 apple, and you subtract 1 apple, how many left over? :d
anonymous
  • anonymous
zero lol
zepdrix
  • zepdrix
|dw:1450299487683:dw|mm k good. Then we have ... a blank.. and a 2. So the blank we'll think of as 0. So it's 0 + 2 for the last step.
zepdrix
  • zepdrix
|dw:1450299549676:dw|
zepdrix
  • zepdrix
By adding the equations, we were able to get rid of the y! Now we have an equation with a single variable. Solve for x.
zepdrix
  • zepdrix
\[\large\rm 2x+2=0\]
anonymous
  • anonymous
thnks

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