Keeping It True

Students describe and use strategies for solving equations of the forms `px+q=r` or `p(x+q)=r` that involve positive and negative numbers. This is the first lesson where students are not given a visual model (either a tape diagram or a hanger diagram) to support their reasoning.

By Desmos Classroom

Learning goals: Learning Goals • Solve equations of the form `px+q=r` and `p(x+q)=r` that involve positive and negative numbers, and explain the strategy.