Texas Instruments
Texas Instruments: Simultaneous Equation Solver App
Students use this App to calculate solutions (a unique solution, no solution, or an infinite number of solutions.unique) for linear systems. They can work with systems that contain both numeric and symbolic coefficients and have up to 30...
Purple Math
Purplemath: Systems of Linear Equations: Definitions
Covers the basic definitions involved in systems of linear equations.
Help Algebra
Help algebra.com: Solutions of Algebraic Equations
This resource defines an algebraic equation, then describes what is meant by a solution to an equation. Types of solutions (one solution, no solution, infinite solutions) are also defined.
Shmoop University
Shmoop: Basic Algebra: Solving Funky Equations
Students learn about equations that have no solution or the solution is all real numbers. The tutorial explores the algebra concept through notes, examples, and practice exercises.