Answer:
n=4
Step-by-step explanation:
3n-8=n
-3n -3n
-8=-2n
divide 2 on both sides
4=n
or
1, 4, 7, 10, 13, 16, 19, 22, 25....
#11 is correct
#12 is correct
e= 2.15
Subtract both sides by 6
2.15=e
Thus e is 2.15
Hope this helps!
