Home > GB8I > Chapter 6 Unit 7 > Lesson INT1: 6.4.1 > Problem 6-118
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?
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 .