Linear equations in one variable

4 videos
1 skill
Extend your equation solving skills by tackling fancier equations that have variables on both sides.

Introduction to solving an equation with variables on both sides

VIDEO 8:53 minutes
Sal solves the equation 2x + 3 = 5x - 2. 

How to solve an equation with variables on both sides (example)

VIDEO 4:06 minutes
Sal solves the equation 20 - 7x = 6x - 6.

Equations with variables on both sides

PRACTICE PROBLEMS
Practice solving one-variable equations like 20 - 7x = 6x - 6, where the variable appears on both sides of the equals sign.

How to solve an equation with variables on both sides (example with x in the denominator)

VIDEO 3:24 minutes
Sal solves the equation 7 - 10/x = 2 + 15/x. There are many ways to solve this equation. Sal's method uses the distributive property.

A clever application of the distributive property to solve a multi-step equation

VIDEO 4:50 minutes
Sal solves the equation (3/4)x + 2 = (3/8)x - 4 using the distributive property