Written explanation
http://www.coolmath.com/algebra/12-2x2-systems-of-equations/03-solving-by-elimination-addition-01
Videos explaining procedure:
Video #1: Just watch first 7 minutes https://www.youtube.com/watch?v=SOfpTlIKnw0
Video #2
https://www.youtube.com/watch?v=0iXvOMN30bY
Worksheet practice (with key):
http://cdn.kutasoftware.com/Worksheets/Alg1/Systems%20of%20Equations%20Elimination.pdf
Online practice
https://www.ixl.com/math/algebra-1/solve-a-system-of-equations-using-elimination
Tuesday, February 16, 2016
8th grade: Systems of Equation: the Elimination Method
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