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October 31, 2014

October 31, 2014

Posted by **alisa** on Friday, May 23, 2008 at 10:43pm.

-12 + 5u= -48

- mathematics: algebra;equations -
**Reiny**, Friday, May 23, 2008 at 10:49pm-12 + 5u= -48

add 12 to both sides

5u = -48+12

5u = -36

divide both sides by 5

u = -36/5

- mathematics: algebra;equations -
**Ms. Sue**, Friday, May 23, 2008 at 10:51pm-12 + 5u= -48

-12 + 12 + 5u = -48 + 12

5u = -36

u = -7.2

Check it out:

-12 + (-36) = -48

-48 = -48

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