Answer:
7m + 19
Step-by-step explanation:
3m + 13 + 4m + 6
Add all the m's first then the whole numbers
Answer: 7m+19
(3m+13)+4m+6). Remove parentheses
=3m+4m+13+6 group like terms
= 7m+13+6 add similar elements
=7m+19
