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December 22, 2014

December 22, 2014

Posted by **Tammy** on Wednesday, February 16, 2011 at 10:36am.

4x+4y=-36

4x+4y=12

- Math -
**Anonymous**, Wednesday, February 16, 2011 at 10:41am4x + 4y = -36

-4x -4x

4y = -4x-36

/4 /4 /4

y = -x-9

Now you substitute this equation into the second one.

4x + 4(-x-9)= 12

Distribute the 4

4x-4x = -36

0x = -36

0 is not equal to -36, so that means this has no solution.

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