### Home > PC > Chapter 6 > Lesson 6.2.2 > Problem 6-84

6-84.

Set up an equation involving *B*.

15 − 11.31 = *B* − 15

Set up an equation involving *C*.

11.31 − 5 = 5 − *C*

6-84.

Set up an equation involving *B*.

15 − 11.31 = *B* − 15

Set up an equation involving *C*.

11.31 − 5 = 5 − *C*