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August 22, 2014

August 22, 2014

Posted by **Michelle** on Tuesday, July 13, 2010 at 8:20pm.

4x-9y=6.5

7y-2x=-4.5

- math-PLEASE HELP ASAP -
**Reiny**, Tuesday, July 13, 2010 at 8:26pmthe simplest one of your three

did you notice that the order of x and y is backwards in the second?

leave the first alone, multiply the second by 2 and rearrange

4x - 9y = 6.5

-4x + 14y = -9

add them

5y = -2.5

y = -0.5

etc

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