Equations with two variables: introduction

In this video, we look at the basics of equations with two variables, and review the basic principle that any point on a line fulfills the equation of that line. In the end, we look at a problem where zinnias cost $3 each and roses cost $5 each, and you spend exactly $46 to buy some of each.

See also

Solving systems of equations by graphing — video lesson

Math Mammoth Grade 8 curriculum

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