Chapter 7: Simple Equations - Exercises

  1. Solve: 3x + 5 = 17.
  2. Solve: 5x - 8 = 2x + 7.
  3. Solve: 4(x - 3) = 20.
  4. Solve: 7x - (2x + 4) = 11.
  5. The sum of a number and 12 is 30. Find the number.

Answer Key

  1. x = 4
  2. x = 5
  3. x = 8
  4. x = 3
  5. 18