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Two-step equations word problems

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Problem

Mindy and Troy combined ate 9 pieces of the wedding cake. Mindy ate 3 pieces of cake and Troy had 14 of the total cake.
Write an equation to determine how many pieces of cake (c) there were in total.
Find the total number of pieces of cake.
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0.75
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
pieces of cake
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