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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 = 2

  • Substitute 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).