This is a color by number activity. Students solve 7 systems of equations by substitution, and they are set up to be at an EASY level. Each of the systems of equations already has one of the variables isolated (set up as x = ____ or y = _____ ).There are 5 challenge problems provided at the end of the worksheet that involve fractions, systems with no solutions, systems with infinitely many solutions, and solving a system of equations that does not already have a variable isolated. The color b