Answer:
\(x<6\)
All real numbers less than \(6\)
Step-by-step explanation:
we have
\(5x-9<21\)
Adds \(9\) both sides
\(5x-9+9<21+9\)
\(5x<30\)
Divide by \(5\) both sides
\(x<6\)
the solution is the interval ---------> (-∞,6)
All real numbers less than \(6\)
see the attached figure to better understand the problem
