What is the answer to 6/9 =(12)/x ?

The answer to 6/9 =(12)/x is x=18

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6/9 =(12)/x

\frac{6}{9} = \frac{12}{x}

x = 18

Solution steps

\frac{6}{9} = \frac{12}{x}

Cross multiply

6 x = 108

Divide both sides by

6

x = 18

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 18

\frac{x + 4}{x - 2} = \frac{3}{7}

\frac{2}{x + 1} + \frac{x - 3}{x} = 3

b, a = \frac{a}{b} + c

\frac{1}{x + 3} = \frac{x}{x + 2}

\frac{3 - x}{4 - x} = \frac{8}{7}