Elimination Method

Video: https://www.tes.com/lessons/o9M98yieLCPcwg/systems-of-equations

Tutorial: http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-233s.html

Solved Examples: http://www.regentsprep.org/Regents/math/ALGEBRA/AE3/PracAlg.htm

Easy Elimination Quiz: http://teachers.henrico.k12.va.us/math/hcpsalgebra1/Documents/9-3/solvsystelimaddsub.htm

Multiply by Common Factor THEN Eliminate: http://teachers.henrico.k12.va.us/math/hcpsalgebra1/Documents/examviewweb/ev9-4.htm