What is the answer to 6/x = 42/63 ?

The answer to 6/x = 42/63 is x=9

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6/x = 42/63

\frac{6}{x} = \frac{42}{63}

x = 9

Solution steps

\frac{6}{x} = \frac{42}{63}

Cross multiply

378 = x \cdot 42

Switch sides

x \cdot 42 = 378

Divide both sides by

42

x = 9

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 9

\frac{3}{x \cdot y - y ^{2}} = 0

\frac{2}{x + 4} = \frac{3}{x + 1}

y, x = \frac{( y + 3 )}{y - 2}

800 = 1000 - \frac{600}{t + 1}

\frac{2 n + 1}{n + 2} = \frac{5}{4}