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23-01-2018
Mathematics

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X/49=1/x please help

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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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