### Home > INT2 > Chapter 3 > Lesson 3.2.2 > Problem 3-87

3-87.

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

Use the Equal Values or Substitution Method.

Solve for

*x*. If you need help doing so, refer to the Math Notes box in Lesson 2.1.3.Substitute 4 for

*x*and solve for*y*.

Repeat the same steps for part (b).

Substitute the value of x in the first equation into the second equation: