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posted by Serena Monday, April 2, 2012 at 11:58am.
How would you solve for 'a'? (1/a) - (1/b) = c would you use the LCD???
1 / a - 1 / b = c 1 / a = c - 1 / b 1 / a = c b / b - 1 / b 1 / a = ( c b - 1 ) / b Reciprocal : a = b / ( c b - 1 )
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