Graph the solution(s) to each of the following on a number line.
a. x−4=0 and 3x+6=18
b. x<5 and x≠0
c. x≤−8 or x≥−1
d. 3(x−6)=3 or 5−x=2
e. x<9 and x>7
f. x+5<7 or x=2