Solving Systems of Linear Equations by Elimination - Big Ideas Math IM1

Learn to solve systems of linear equations using the elimination method in this comprehensive mathematics lecture and problem-solving session. Master the technique of using additive inverse coefficients to eliminate variables when equations are in standard form, and discover strategic approaches for creating additive inverses through equation manipulation. Work through 35 detailed practice problems that demonstrate various scenarios, from basic elimination to more complex cases requiring multiple equation manipulations. Follow along with step-by-step solutions that emphasize efficient equation solving techniques, moving directly between solution steps without showing intermediate operations. Access supplementary materials including textbook references and a structured learning path through carefully organized timestamps covering introduction, lecture overview, and individual problem solutions spanning nearly two hours of instruction.