Home > CC3MN > Chapter 6 Unit 10 > Lesson INT1: 6.4.1 > Problem 6118
6118.
Candice is solving this system:

She notices that each equation contains the expression
. Can she substitute for ? Why or why not? Try it for yourself. Does it work?
Substitute
for in the second equation to create one equation with one variable. Then solve for and .
Remember to check your answers.
; use this information to solve for .