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B-38.

Solve the following systems of equations.


  1. If you need a reminder of how to solve systems of equations, refer to problem A-7.


  1. Which system above is most efficiently solved by using the Substitution Method? Explain.

    Which criteria make a system easier to solve with the Substitution Method?

  1. Which system above is most efficiently solved by using the Elimination Method? Explain.

    Which criteria make a system easier to solve with the Elimination Method?