Answer :
[tex]n-8+n=1-4n\\\\2n-8=1-4n\ \ \ \ \ |add\ 8\ to\ both\ sides\\\\2n=9-4n\ \ \ \ \ |add\ 4n\ to\ both\ sides\\\\6n=9\ \ \ \ \ \ |divide\ both\ sides\ by\ 6\\\\n=\frac{9}{6}\ \ \ \ \ |divide\ a\ numerator\ and\ a\ denominator\ by\ 3\\\\n=\frac{3}{2}\\\\\boxed{n=1\frac{1}{2}}[/tex]
