need help hw is due soon precalculus

Question

Solve: Give your answer as an interval.

Answer 1

x-9 > 8 so -(x-9) > 8

x-9>8

x > 17

-(x-9)>8

-x+9>8

-x>-1

x<1

x<1 or x>17

x is in the interval (-infinity,1) U (17, +infinity)

x is any real number except 1<x<17

x is any real number except in the interval [1,17]