NO idea how to do this. Can someone please help me?

{-x + 3y = -1

x- 2y = 2

(Wink)

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- Aug 10th 2009, 07:45 AMSoobadatMath.Linear Equations through Elimination?
NO idea how to do this. Can someone please help me?

{-x + 3y = -1

x- 2y = 2

(Wink) - Aug 10th 2009, 07:54 AMAladdin
y=1

x=4 - Aug 10th 2009, 08:06 AMSoobadatMath.???
How did you get that?

- Aug 10th 2009, 08:10 AMskeeter
- Aug 10th 2009, 08:21 AMSoobadatMath.
So then x + 3y = -4

y + x = 0

??????????????????? - Aug 10th 2009, 08:44 AMWilmer
- Aug 10th 2009, 08:58 AMskeeter
- Aug 10th 2009, 09:08 AMWilmer
x + 3y = -4 [1]

y + x = 0 [2]

If that's a new system, then from [2]: y = -x

So [1]: x - 3x = -4