Answer:
[tex]x = 9[/tex]
Step-by-step explanation:
[tex] - 9x + 1 = - 80 \\ - 9x = - 80 - 1 \\ - 9x = - 81 \\ \frac{ - 9x}{ - 9} = \frac{ - 81}{ - 9} \\ x = 9[/tex]
