check markLesson 2-2, Check Skills You'll Need

(For help, go to Lesson 2-1)

Tell which property of equality is best for solving each equation.

  1. x – 5 = 14
    1. Addition Property of Equality
    2. Subtraction Property of Equality
    3. Multiplication Property of Equality
    4. Division Property of Equality
  2. x + 3.8 = 9
    1. Addition Property of Equality
    2. Subtraction Property of Equality
    3. Multiplication Property of Equality
    4. Division Property of Equality
  3. –7 + x = 7
    1. Addition Property of Equality
    2. Subtraction Property of Equality
    3. Multiplication Property of Equality
    4. Division Property of Equality
  4. x – 13 = 20
    1. Subtraction Property of Equality
    2. Multiplication Property of Equality
    3. Division Property of Equality
    4. Addition Property of Equality
  5. x/4 = 8
    1. Addition Property of Equality
    2. Subtraction Property of Equality
    3. Multiplication Property of Equality
    4. Division Property of Equality
  6. 9 = 3x
    1. Addition Property of Equality
    2. Subtraction Property of Equality
    3. Multiplication Property of Equality
    4. Division Property of Equality
    7. Choose the solution for each equation.
  7. 10x = 2
    1. 1/5
    2. 5
    3. 20
    4. 12
  8. 2/3 x = –6
    1. 3
    2. –4
    3. –9
    4. 4
  9. x + 2 2/3 = 6 1/2
    1. 4 1/3
    2. 23/6
    3. 13/2
    4. 55/6

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