Answer:
[tex]\Huge \boxed{n=-1}[/tex]
Step-by-step explanation:
[tex]1-8n-8= -7n-6n-12[/tex]
Combining like terms.
[tex]-8n-7= -13n-12[/tex]
Adding 13n and 7 to both sides.
[tex]-8n+13n=-12+7[/tex]
[tex]-5n=5[/tex]
Dividing both sides by -5.
[tex]n=-1[/tex]