Learning goals: Teacher Facing Comprehend that “equivalent equations” are equations that have exactly the same solutions, and that multiple equivalent equations can represent the same relationship. Determine and explain (orally and in writing) whether two equations are equivalent. Identify operations that can be performed on an equation to create equivalent equations. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from Alg1.2 Linear Equations, Inequalities, and Systems, Algebra 1.