Como Resolver Qualquer Equação (ou quase todas)

✅LEARN BASIC MATHEMATICS FROM SCRATCH: https://lp-pmb.principiamatematica.com/ Moving to the other side by multiplying? Why is this valid? Where does this come from? What is an equation? How do you solve an equation? All these questions will be answered in today's video. If you have any questions, just comment and I'll be happy to help you! Follow me on Instagram:   / principia_matematica   Thank you very much for watching and see you in the next video!