1.   Solve 4x = 45 - 11x.
    A. 8.5 B. 3
    C. -3 D. -8.5
    Hint
  2.   Solve 7y + 48 = y.
    A. 8 B. -55
    C. 55 D. -8
    Hint
  3.   Solve k = k - .
    A. B. -
    C. -2 D. 2
    Hint
  4.   Solve 5.4a + 8.2 = 9.8a - 2.8.
    A. 1.2 B. -2.5
    C. -1.2 D. 2.5
    Hint
  5.   Write an equation to find the value of x so that each pair of polygons has the same perimeter. Then solve.
   
    A. 2x + 4 = 3x + 9; 5 B. 4x + 9 = 3x + 8; -1
    C. 4x + 8 = 3x + 9; 1 D. 4x + 8 = 3x + 9; 3
    Hint

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