1.   Find the solution of 72 + z = 84 if the value of z can be selected from the set {4, 8, 12, 16}.
    A. 8 B. 12
    C. 16 D. 4
    Hint

  2.   Solve 5 + y = 11.
    A. 2 B. 16
    C. 6 D. 7
    Hint

  3.   Solve x + 3 = 22.
    A. 19 B. 23
    C. 17 D. 25
    Hint

  4.   Solve f = .
    A. 2 B. 3
    C. 4 D. 6
    Hint

  5.   Graph the solution of 18 = on a number line.
    A. B.
    C. D.
    Hint



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