If you’ve already tackled your single variable equations, then get ready for systems of equations. Multiple variables! Multiple equations! (Whoo!) Even better, systems of equations questions will always have multiple methods with which to solve them, depending on how you like to work best.
So let us look not only at how systems of equations work, but all the various options you have available to solve them.
This will be your complete guide to systems of equations questions—what they are, the many different ways for solving them, and how you’ll see them on the ACT.