To begin to find the answer, start by setting up this equation:
[tex]n + 5 = 2n - 6[/tex]
After solving for the variable n, we find the answer n = 11. Plugging the value into the term that represents the length of the line FG, we find:
[tex]2(11) - 6 = 16[/tex]
Final Answer: FG = 16