A box has x marbles. After giving away 5, 2 marbles remain. Which equation correctly represents the situation?

  • x – 5 = 2
  • 5x = 2
  • x + 5 = 2
  • x/5 = 2
  • x - 5 = 2


Rina has x pencils and buys 3 more. Now she has 9 pencils. Which equation correctly represents the situation?

  • x + 3 = 12
  • x + 3 = 9
  • x – 3 = 9
  • 3x = 9
  • x + 3 = 9