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what is the solution of

12 - 1/9d = 177
 May 11, 2012
 #1
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[input]12 - 1/(9d) = 177[/input]
 May 11, 2012
 #2
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12- 1/9d=177
108 - d = 1593
-d = 1485
d = -1485
 May 13, 2012

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