question: A football team played 22 games. They won 8 more than they lost. How many did they win?
answer: Let L be the number of losses.
  The number of wins is L + <<+8=8>>8.
  The team played (L+8) + L = 2L + 8 = 22 games.
  So, 2L = 22 - 8 = 14
  So L = 14/2 = <<14/2=7>>7 losses.
  Therefore, the team won 22 – 7 = <<22-7=15>>15 games.
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