02:08 duration 2 minutes 8 seconds
Solving a two-step linear inequality with a…
Solving a two-step linear inequality with a fractional coefficient
This contains one example of solving an inequality as described in the title.
02:49 duration 2 minutes 49 seconds
Simplifying a ratio of polynomials: Problem type 1
This shows how to factor the numerator and denominator of a fraction in algebra so that we can reduce the same factors ono the top and the bottom because they divide to one.