This document contains notes from a math lesson on solving equations using algebra. It provides examples of word problems that were translated into algebraic equations to determine how many shirts Susan could buy with $50 and a $10 coupon when shirts cost $12 each. The document shows the equations Susan and Bonnie used and instructs students to solve each one algebraically to see who was correct. It ends with questions asking how to translate word problems into equations and make sense of word problems to model them mathematically.