Are you teaching your middle school math or Algebra students how to solve systems of equations by elimination? Look no further than these in-depth notes on the breakdown of solving systems of equations by elimination with addition, multiplication by 1 constant, and multiplication by 2 constants. ✅I use this resource with my 8th Grade Fundamentals of Mathematics class and it is directly in line with the Common Core State Standards for 8th grade.The investigation, notes, and practice problems are