### 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.

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).

Substitute the value of

in the first equation into the second equation: