What is the answer to 3/5 =(15)/x ?

The answer to 3/5 =(15)/x is x=25

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3/5 =(15)/x

\frac{3}{5} = \frac{15}{x}

x = 25

Solution steps

\frac{3}{5} = \frac{15}{x}

Cross multiply

3 x = 75

Divide both sides by

3

x = 25

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 25

\frac{18}{x} = 6

\frac{4}{x} = \frac{2}{21}

\frac{x ^{2} - 3 x - 10}{1 - x} = 2

x^{- 2} + 2 x + 1 = 0

\frac{x + 1}{x} = 3