1.   Find the value of r in the following equation.
2 + 6r = 3r - 1
    A. B. 2
    C. 6 D. -1
    Hint
  2.   What is the solution of 2.5a + 12 = 5a?
    A. 24 B. 4.8
    C. 30 D. 2.5
    Hint
  3.   Determine the solution of
    A. -20 B.
    C. -10 D.
    Hint
  4.   Solve .
    A. 7 B. 14
    C. 2 D. 5
    Hint
  5.   Solve the equation for r.
7r + 6 = 4r – 9
    A. r = –5 B. r = 2
    C. r = –3 D. r = 6
    Hint

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