Khan Academy

Equations with variables on both sides: 20-7x=6x-6 (K-A)

Intro to equations with variables on both sides (K-A)

Why we do the same thing to both sides: Variable on both sides (K-A)

Equations with parentheses (K-A)

Multi-step equations review (K-A)

Creating an equation with infinitely many solutions (K-A)

Creating an equation with no solutions (K-A)

Number of solutions to equations (K-A)

Worked example: number of solutions to equations (K-A)

Linear equations with unknown coefficients-video (K-A)

Inequalities with variables on both sides (K-A)

Inequalities with variables on both sides (with parentheses) (K-A)

Multi-step inequalities-video (K-A)

A compound inequality with no solution (K-A)

Compound inequalities examples (K-A)

Compound inequalities review (K-A)

Compound inequalities: AND (K-A)

Compound inequalities: OR (K-A)

Double inequalities (K-A)

Systems of equations number of solutions: fruit prices (1 of 2)-video (K-A)

Systems of equations number of solutions: fruit prices (2 of 2)-video (K-A)

Systems of equations with elimination: King's cupcakes-video (K-A)

Systems of equations with elimination: potato chips-video (K-A)

Systems of equations with substitution: potato chips (K-A)

Systems of equations: trolls, tolls (1 of 2)-video (K-A)