Using elimination, we could multiply the first equation by 3 and the second by -7 to get:

Now, add the equations to eliminatex, and then solve fory. Then plug in this value foryinto either original equation to findx.

What do you find?

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- January 4th 2013, 11:29 AM #1

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- January 4th 2013, 12:13 PM #5

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