### Home > CCA > Chapter 1 > Lesson 1.2.1 > Problem 1-40

1-40.

Solve the equations below for and check your solutions. Homework Help ✎

Look at problem 1-36 earlier in this lesson for steps in solving these kinds of problems.

Substitute the answer back into the original equation to make sure it works.

It works!

Refer to part (a).