What is the answer to (30)/x = 8/12 ?

The answer to (30)/x = 8/12 is x=45

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(30)/x = 8/12

\frac{30}{x} = \frac{8}{12}

x = 45

Solution steps

\frac{30}{x} = \frac{8}{12}

Cross multiply

360 = x \cdot 8

Switch sides

x \cdot 8 = 360

Divide both sides by

8

x = 45

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 45

\frac{606}{x - 97} = 8

36 (\frac{n}{n + 1}) = n^{2} + n

\frac{( 2 x - 1 )}{( 3 x - 3 )} - 5 x = 0

\frac{5}{10} = \frac{7}{x}

\frac{x}{x} = 4 x + 30