What is the answer to 9/12 =(12)/x ?

The answer to 9/12 =(12)/x is x=16

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9/12 =(12)/x

\frac{9}{12} = \frac{12}{x}

x = 16

Solution steps

\frac{9}{12} = \frac{12}{x}

Cross multiply

9 x = 144

Divide both sides by

9

x = 16

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 16

\frac{3}{4} = \frac{18}{x}

\frac{85.5}{x} = 9

E, T = \frac{4 U}{E}

\frac{1}{x + 1} = \frac{5 x - 6}{6 x}

\frac{5.8}{x - 62} = - 4