CPM Homework Banner
3-87.

Solve each system of equations below. Then verify that your solution makes each equation true.


  1. Use the Equal Values or Substitution Method.

    Solve for . If you need help doing so, refer to the Math Notes box in Lesson 2.1.3.

    Substitute for and solve for .
    Repeat the same steps for part (b).


  2. Substitute the value of in the first equation into the second equation: