Caden66 Caden66
  • 23-01-2018
  • Mathematics
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X/49=1/x please help

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altavistard
altavistard altavistard
  • 23-01-2018
Use all lower case, please:  x/49=1/x.

Elim. the fractions by mult both sides by 49x (which is the LCD).

             49x(x/49) = 49x(1/x)
                  x^2      = 49

Then x is plus or minus 7 (answer) 
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