Answer :
Answer: 8m + 7n -3
Step-by-step explanation:
7m + 3n + n + 5 - (-m -3n +8)
= 7m + 3n + n + 5 + m + 3n -8
Then, combine all the like terms.
= 8m + 7n -3
Answer: 8m + 7n -3
Step-by-step explanation:
7m + 3n + n + 5 - (-m -3n +8)
= 7m + 3n + n + 5 + m + 3n -8
Then, combine all the like terms.
= 8m + 7n -3