Solve equations with rational coefficients

We are going to work with a video of Edpuzzle:

https://edpuzzle.com/media/5d933ac96ad0984098d54c24

We must answer together the questions that appear in this video. Later, teacher can explain again, but asking to the pupils. Finally, the pupils will solve some equations giving some explanations to the rest of the class.

Daniel Díaz Pernil

Manuela Martínez de la Torre