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Mathematics 21 Online
OpenStudy (anonymous):

5/12=-4/f

OpenStudy (anonymous):

Use cross multiplication.

OpenStudy (anonymous):

Cross multiplication is multiplying the numerator of one fraction by the denominator of the other for both fractions. The results will equal one another.

OpenStudy (anonymous):

Sorry, if you don't understand my answer definitely ask what I mean.

OpenStudy (anonymous):

Thanks @bigbrain446

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