### Home > CCA2 > Chapter 8 > Lesson 8.3.2 > Problem 8-144

8-144.

Solve the system of equations below for

Substitute for

*into the second equation.*

Multiply the third equation by

Substitute 4 for *y* in the third equation to solve for .

Substitute *y* and in the first equation to solve for

*.*

Check your values for and

*in the second equation.*