1.   Find the value of r in the following equation.
2 + 6r = 3r - 1
    A. -1 B.
    C. 6 D. 2
    Hint
  2.   Determine the solution of
    A. -20 B.
    C. D. -10
    Hint
  3.   Solve 7c + 10 = 17c.
    A. B.
    C. c = 1 D. c = -1
    Hint
  4.   Solve 6x – 12 = 5x + 2.
    A. x = -14 B. x = -10
    C. x = 10 D. x = 14
    Hint
  5.   Solve 7.9q + 1.4 = -1.1q – 3.1.
    A. q = -0.25 B. q = 0.25
    C. q = -0.5 D. q = 0.5
    Hint

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