By the end of this section I can...
-solve a system of linear equations by linear combination(elimination)
Khan Academy Videos and Interactive Practice:
Other Resources:
http://www.purplemath.com/modules/systlin5.htm
http://www.coolmath.com/algebra/12-2x2-systems-of-equations/03-solving-by-elimination-addition-01
https://www.ixl.com/math/algebra-1/solve-a-system-of-equations-using-elimination
https://braingenie.ck12.org/skills/108240
https://braingenie.ck12.org/skills/106743
https://braingenie.ck12.org/skills/108241
https://braingenie.ck12.org/skills/106746
https://braingenie.ck12.org/skills/106747
https://braingenie.ck12.org/skills/108242