Sunday

April 20, 2014

April 20, 2014

Posted by **rj** on Saturday, January 19, 2013 at 3:23pm.

- foundations of math -
**Ms. Sue**, Saturday, January 19, 2013 at 3:36pm10(-3a+3b-3c)-8(4a-6b+3c)

-30a + 30b - 30c - 32a + 48b - 24c

-62a + 78b - 54c

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