What is the answer to -2/7 = 6/x ?

The answer to -2/7 = 6/x is x=-21

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-2/7 = 6/x

- \frac{2}{7} = \frac{6}{x}

x = - 21

Solution steps

- \frac{2}{7} = \frac{6}{x}

Cross multiply

- 2 x = 42

Divide both sides by

- 2

x = - 21

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = - 21

\frac{5}{y} + \frac{4}{y} = 3

\frac{5}{6} = \frac{13}{s + 7.5}

\frac{51}{d} = \frac{17}{2.1}

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

- 4 = \frac{1}{\frac{1}{4} + c}