73.6k views
0 votes
Solve. 3n-7+2n=8n+11

1 Answer

4 votes
------------------------------------
Question:
------------------------------------
3n - 7 + 2n = 8n + 11

------------------------------------
Combine like terms:
------------------------------------
5n - 7 = 8n + 11

------------------------------------
subtract 8n from both sides:
------------------------------------
-3n - 7 = 11

------------------------------------
Add 7 to both sides
------------------------------------
-3n = 18

------------------------------------
Divide by -3 on both sides:
------------------------------------
n = -6

------------------------------------
Answer: n = -6
------------------------------------
User Anthony Hayward
by
8.3k points