Posted by **mysterychicken** on Wednesday, May 6, 2009 at 8:14pm.

Earlier I posted a qustion about ordered pairs and I was asked to re-post the answer when I get it.

2x - 3y= 12

These are the two I had: (9,2) and (12,4)

I found this one: (15,6)

-MC

- Pre-Algebra [FOUND THE ANSWER] -
**TchrWill**, Thursday, May 7, 2009 at 10:07am
There an infinite number or ordered pairs satifying

2x - 3y = 12.

1--Divide through by the lowest coefficient, 2, yielding x - y - y/2 = 6.

2--y/2 must be an even integer k making y = 2k

3--Subbing back into (i) yields 2x - 6k = 12 making x = 6 + 3k

4--k....0....1....2....3....4....5....6

...x....6....9...12...15...18...21...24

...y....0....2...4.....6....8...10...12

...and so on.

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