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July 4, 2015

Homework Help: math

Posted by please help(: on Monday, October 19, 2009 at 3:56pm.

1/2x - 1/4y= 7/2
3/4x + 1/3y= 19/2

To change into y=, do i multiply the top one by by 1/4 and the bottom one by -1/3?

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