3n+5=23
3n+5 - 5=23 - 5
3n = 18
3n/3 = 18/3
n = 6
Hi!
We need to isolate n on one side.
Subtract 5 from both sides.
3n + 5 - 5 = 23 - 5
Divide by 3 on both sides.
The answer is n = 6
Hope this helps! :)
-Peredhel