Answer:
[tex]n=4[/tex]
Step-by-step explanation:
We start off with 3.2n + 13.3 = 26.1.
We need to get n by itself.
Subtract 13.3 from both sides.
[tex]3.2n+13.3-13.3=26.1-13.3[/tex]
[tex]26.1-13.3=12.8[/tex]
We end up with: [tex]3.2n=12.8[/tex]
Divide 3.2 on both sides to get n by itself.
[tex]\frac{3.2n}{3.2} =\frac{12.8}{3.2}\\ n=4[/tex]