Curated OER
Solving Systems by Substitution
Students solve systems of linear equations using substitution. They investigate the steps to solving linear equations by substitution and practice problems in small groups.
Curated OER
Choices
This unit is about making calculations in the real life situations of taxis, hire cars, and cell phones. They find and justify a word formula which represents a given practical situation. Solve simple linear equations such as 2? + 4 = 16.