Answer:

Explanation:
To find the value of n, you have to isolate it on one side of the equation.
3.5n=10.5
First, multiply by 10 from both sides.

Solve.
35n=105
Divide by 35 from both sides.
35n/35=105/35
Solve.
105/35=3
n=3
- Therefore, the final answer is n=3.
I hope this helps you! Let me know if my answer is wrong or not.