Posted by **G** on Thursday, March 27, 2008 at 10:33am.

I am solving sytems of equations algrbraically. I have tried several times and I am not comming up with he answers for the following three equations that the book gives.

1) 4x-2y=-5

-x+2y=2

Answer in book: -1,1/2

2) -5x+2y=10

5x-3y=-10

Answer in book: -2,0

3) 2x-y=2

-2y+4y=-5

Answer in book: 1/2,-1

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