Question

3n-4=11

Answer 1

Add 4 to both sides. You should get 3n=15. N=5

Answer 2

3n - 4 = 11
add 4 to each side because that will show equality. That will give you a
3n = 15

Answer 3

3n-4=11
+4 +4
3n =15
Divide both sides by 3.
n=5