CK-12 Foundation
Ck 12: Algebra: Two Step Equations and Properties of Equality
[Free Registration/Login may be required to access all resource tools.] Solve two-step equations for the missing variable
Shmoop University
Shmoop: Basic Algebra: Solving One Step Equations
Students learn how to solve one-step equations. The tutorial explores the algebra concept through notes, examples, and practice exercises.