Systems Of Equations

Lesson on Elimination  

  1. To eliminate the coefficient, you have to add or subtract the equations together.
  2. The numbers you eliminate have to be opposite integers.
  3. Once your coefficients are opposite integers you add or subtract the rest of the equation.
  4. Then you isolate one of the variables (an isolated variable), plug it into one of the equations and solve for the eliminated coefficient. 
  5.                                                                             Example
                                                                       (now you eliminate 6y and -6y)
                                                                                  ÷8    ÷8



    Domo needs help with elimination. He goes in to a website to learn and the teacher helps him. Hopefully the teacher will help you as well!  

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