Learning how to solve a proportion with cross products

The video tutorial covers the application of cross multiplication and emphasizes the importance of using parentheses in expressions. It explains the distributive property and demonstrates how to apply it in algebraic equations. The tutorial also guides students on isolating variables on one side of the equation and solving for the variable. The instructor provides step-by-step instructions and highlights common mistakes to avoid.

What is the correct way to express the multiplication of 3 and the difference of a and 2?

Why is it important to bring down the equals sign when solving equations?

What property is applied when distributing to both terms in an equation?

How do you isolate a variable when it appears on both sides of an equation?

What should you do if you have a negative variable after performing operations on both sides of an equation?