210k views
5 votes
Find the sum of 12a + 7b, −6a − 9, and 14a − 12b.

User Murb
by
4.3k points

2 Answers

3 votes

Answer:

20a + -5b + -9

Explanation:

User Bertrand Marron
by
4.8k points
2 votes

Answer:

Explanation:

20a-5b-9

User Estevan
by
4.2k points