CPM Homework Banner

Home > CCA > Chapter 4 > Lesson 4.2.1 > Problem 4-40

4-40.

Stoplight Kevin and his little sister, Katy, are trying to solve the system of equations shown below. Kevin thinks the new equation should be , while Katy thinks it should be . Who is correct and why? Homework Help ✎


In order to solve the system of equations 6x − 1 must be substituted in for y.

Katy is right.