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Home > CCA > Chapter 1 > Lesson 1.1.2 > Problem 1-19

1-19.

Solve each linear equation. Check your solutions. Homework Help ✎

  1. −2x − 3 = 3

    Add 3 to both sides.

    −2x − 3 = 3
    +3 +3
    −2x = 6

    Divide both sides by −2

    x = −3

  2. 7 + 2x = 4x − 3

    Add 3 to both sides.

    7 + 2x = 4x − 3
    +3 +3
    10 + 2x = 4x

    Subtract 2x from both sides.

    10 + 2x = 4x
    −2x −2x
    10 = 2x

    Divide both sides by 2.

  3. 6x − 10 = −8 + 3x

    Refer to part (b).