Single worksheet with 12 equations. Example: -33x + -32 = -30x+34. This is one of the key type of problems that students need to know how to solve. Multi Step equations with variables on both sides. There are five versions of this worksheet with different solutions. Included is a solution set for x, which lists all the correct answers. Students can use this as a guide for correcting their own work. If the value they find is not listed, then the solution they have is wrong. A key is provided, but not worked out solutions.