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Solve for dd.\newlined + 4 < 9

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Q. Solve for dd.\newlined+4<9d + 4 < 9
  1. Identify operation for isolation: d + 4 < 9\newlineWhich operation should we use to isolate dd?\newline44 is being added to dd in d + 4 < 9.\newlineSubtraction should be used to isolate dd.
  2. Subtract to isolate dd: d + 4 < 9\newlineSolve for dd.\newlined + 4 - 4 < 9 - 4\newlined < 5

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