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

1-40.

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

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

*x*= 2Substitute the answer back into the original equation to make sure it works.

−6 + 10(2) = (2) + 12

−6 + 20 = 2 + 12

14 = 14

It works!

*x*= 1

Refer to part (a).