Friday

April 25, 2014

April 25, 2014

Posted by **Lisa** on Sunday, April 19, 2009 at 12:20am.

4+m-3m

First I did this:

4+(m-3m)

Then I did this:

4+(-2m)

I thought my answer should be:

4-2m

The answer key says the answer should be:

-2m+4

What did I do wrong?

- algebra -
**Reiny**, Sunday, April 19, 2009 at 7:53amyou did nothing wrong, your answer is correct,

yours is just in a different order

(isn't

3+4 = 4+3 or

+5 - 9 = -9 + 5 ?)

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