1.   Solve 2x = 14.
    A. 28 B. 12
    C. 14 D. 7
    Hint

  2.   Solve 3a = –9.
    A. 9 B. –27
    C. 3 D. –3
    Hint

  3.   Solve 0.5y = – 20.
    A. 40 B. 100
    C. – 4 D. –40
    Hint

  4.   Decide which multiplication equation the model represents. Then solve the equation.
   
    A. 8x = 4; x = 0.5 B. 8x = 4; x = 48
    C. 4x = 12; x = 3 D. 4x = 12; x = 48
    Hint

  5.   Decide which multiplication equation the model represents. Then solve the equation.
   
    A. –5x = –10; x = 2 B. 5x = –10; x = –2
    C. –5x = –10; x = 50 D. 5x = –10; x = –50
    Hint



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