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Home > INT1 > Chapter 6 > Lesson 6.4.1 > Problem 6-118


Candice is solving this system:  

  1. She notices that each equation contains the expression . Can she substitute for ? Why or why not?

    Try it for yourself. Does it work?

  2. 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 .