Solving the troll riddle visually

Solving the system of equations visually. Now we can save the prince/princess

Trolls, tolls, and systems of equations

A troll forces us to use algebra to figure out the make-up of his currency. We end up setting up a system of equations

Systems with elimination practice

Example of solving systems of equations with elimination

Simple elimination practice

Practice solving systems of equations through simple elimination (exercise at )

How many bags of potato chips do people eat?

Using elimination to solve a system of equations

King's cupcakes: Solving systems by elimination

Using simple elimination to figure out how many cupcakes are eaten by children and adults

Solving systems graphically

Some practice solving systems graphically (exercises available at )

Practice using substitution for systems

Example doing Khan Academy systems of equations exercise at: