Home > CCA > Chapter 4 > Lesson 4.3.1 > Problem 4-111
4-111.
Solve the systems of equations below using the method of your choice. Check your solutions, if possible.
The Substitution Method can be used to solve both of these systems.
Substitute '
' for in ' .' Solve for
. What do you notice about this system?
Follow the steps in part (a), but substitute
'' for in ' .'