What is the answer to 30/12 =(15)/x ?

The answer to 30/12 =(15)/x is x=6

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30/12 =(15)/x

\frac{30}{12} = \frac{15}{x}

x = 6

Solution steps

\frac{30}{12} = \frac{15}{x}

Cross multiply

30 x = 180

Divide both sides by

30

x = 6

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 6

x, M = \frac{5}{x} - y^{2}

\frac{- 10}{x} = \frac{- 16}{x - 3}

\frac{240}{x} = \frac{160}{x - 20}

\frac{x}{( x + 4 )} = 0

\frac{x + 4}{4} = \frac{x}{x - 2}