1.   What is the solution of 2.5a + 12 = 5a?
    A. 2.5 B. 30
    C. 4.8 D. 24
    Hint
  2.   If 3.2z - 6 = 1.8 + 11z, what is the value of z?
    A. -1 B. -2
    C. 1 D. 0
    Hint
  3.   Determine the solution of
    A. B. -10
    C. -20 D.
    Hint
  4.   Solve .
    A. 5 B. 2
    C. 14 D. 7
    Hint
  5.   Which equation has a solution of x = 7?
    A. –7 + 8x = –11x + 14
    B. 7 – 11x = –8x – 14
    C. 11x – 7= 14 – 8x
    D. 11 + 7x = –14x – 8
    Hint

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