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Home > CCA > Chapter 7 > Lesson 7.1.3 > Problem 7-40

7-40.
  1. Solve the following systems of equations. Homework Help ✎

    1. 3x − 2y = 14
      −2x + 2y = − 10

    2. y = 5x + 3
      −2x − 4y = 10

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

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

If you need a reminder of how to solve systems of equations, refer to the Math Notes boxes in Lessons 4.2.2 and 5.1.1.