# Qtr 1, Lesson 3: Rewriting Equations and Formulas

## By Stan Lisle

A lesson describing how to rewrite algebraic expressions with multiple variables and solve for any of the variables. Problems included to test the student's understanding.  # One-step equations with multiplication and division

## By Khan Academy

Let's get a conceptual understanding of why one needs to divide both sides of an equation to solve for a variable.  # One-step equations with multiplication and division

## By Khan Academy

Let's get a conceptual understanding of why one needs to divide both sides of an equation to solve for a variable.  # Understanding negative number addition and subtraction with variables

## By Khan Academy

Let's get some practice thinking about adding and subtracting variables representing positive and negative numbers on the number line.  # Understanding negative number addition and subtraction with variables

## By Khan Academy

Let's get some practice thinking about adding and subtracting variables representing positive and negative numbers on the number line.  # Understanding negative number addition and subtraction with variables

## By Khan Academy

Let's get some practice thinking about adding and subtracting variables representing positive and negative numbers on the number line.  # Understanding negative number addition and subtraction with variables

## By Khan Academy

Let's get some practice thinking about adding and subtracting variables representing positive and negative numbers on the number line.  # Understanding negative number addition and subtraction with variables

## By Khan Academy

Let's get some practice thinking about adding and subtracting variables representing positive and negative numbers on the number line.  # Linear Equations in Two Variables

## By Meritnation

YouTube presents Linear Equations in Two Variables, an educational video resource on math.  # Solving systems of equations in three variables

## By MathPlanetVideos

Solve the systems of equation in our example.  # Equations with variables

## By MathPlanetVideos

Solve the following equation 8⋅x−x=21  # Solving systems of equations in two variables

## By MathPlanetVideos

Solve the system of equations: {2x−4y=0 −4x+4y=−4  # Equations with variables on both sides

## By Khan Academy

Sal solves the equation 20 - 7x = 6x - 6.  # Equations with variables on both sides

## By Khan Academy

Sal solves the equation 2x + 3 = 5x - 2.ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½  # 2.3 Quadratic Equations in One Variable Part 1

## By Tammy B

Solve quadratic equations in one variable.  # Variables on both sides | Linear equations | Algebra I

## By Khan Academy  # Variables on both sides | Linear equations | Algebra I

## By Khan Academy

This video lecture series on Worked Examples in Algebra from Khan Academy includes Solving Equations, Solving Word Problems, Solving for a variable, Absolute Value and Number Lines, Patterns in Sequences, Functional Relationships, Domain and Range, Rate Problems, Linear Functions, Slope of a Line, X and Y intercepts, Equation of a Line, Parallel Lines, Perpendicular Lines, Solving Inequalities and more  # Solving Quadratic Equations in one Variable by Factoring

## By Victoriamiles

Solve quadratic equations in one variable.  # Solve equations and simplify expressions

## By MathPlanetVideos

Solve the given equation 12(3b−b4a)=36  # Different ways to solve equations

## By MathPlanetVideos

Solve the following expression 4x−7=x/3+4   