What is the answer to -2/7 =(12)/x ?

The answer to -2/7 =(12)/x is x=-42

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-2/7 =(12)/x

- \frac{2}{7} = \frac{12}{x}

x = - 42

Solution steps

- \frac{2}{7} = \frac{12}{x}

Cross multiply

- 2 x = 84

Divide both sides by

- 2

x = - 42

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = - 42

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

- \frac{2}{9} = \frac{8}{- 3 x}

\frac{200 P - 5000}{200 P} = 0.3

\frac{3}{5} = \frac{9}{x}

\frac{2 x - 1}{x + 2} = \frac{8}{7}