math
posted by shaz .
i am trying to simplify this equation
4m+9+5m12=42

combine the m terms on the left. Add 3 to both sides.

4m+9+5m12=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.