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Home > A2C > Chapter 3 > Lesson 3.1.3 > Problem 3-43

3-43.

  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 2.1.1 and 2.1.3.

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

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

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