Solving systems of linear equations | Lesson - Khan Academy
https://www.khanacademy.org/test-prep/v2-sat-math/x0fcc98a58ba3bea7:algebra-easier/x0fcc98a58ba3bea7:solving-systems-of-linear-equations-easier/a/v2-sat-lesson-solving-systems-of-linear-equations
WebIn this lesson, we'll: Look at two ways to solve systems of linear equations algebraically: substitution and elimination. Look at systems of linear equations graphically to help us understand when systems of linear equations have one solution, no solutions, or infinitely many solutions.
DA: 21 PA: 57 MOZ Rank: 8