Solving Systems of Linear Equations by Substitution - Lesson 5.2

Learn to solve systems of linear equations using the substitution method in this comprehensive mathematics lecture with practice problems. Master the technique of isolating variables and substituting expressions to find solutions expressed as ordered pairs. Follow along with detailed explanations and strategic approaches for choosing which variable to isolate, including tips for avoiding fractions and maximizing efficiency. Work through 35 carefully selected practice problems with step-by-step solutions, progressing from basic concepts to more challenging applications. Note that equation manipulation steps are streamlined for efficiency, focusing on key transitions between solution stages. Access accompanying textbook materials through provided resources and navigate easily through different sections using detailed timestamps spanning the 81-minute instructional video.