Posted by **shaz** on Wednesday, April 23, 2008 at 2:44pm.

i am trying to simplify this equation

4m+9+5m-12=42

- math -
**bobpursley**, Wednesday, April 23, 2008 at 2:49pm
combine the m terms on the left. Add 3 to both sides.

- math -
**Ms. Sue**, Wednesday, April 23, 2008 at 2:51pm
4m+9+5m-12=42

Reorder the terms:

9 + -12 + 4m + 5m = 42

Combine like terms: 9 + -12 = -3

-3 + 4m + 5m = 42

Combine like terms: 4m + 5m = 9m

-3 + 9m = 42

The above was taken from algebrahelp.com.

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