What is the answer to 1/x = 2/10 ?

The answer to 1/x = 2/10 is x=5

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1/x = 2/10

\frac{1}{x} = \frac{2}{10}

x = 5

Solution steps

\frac{1}{x} = \frac{2}{10}

Cross multiply

10 = x \cdot 2

Switch sides

x \cdot 2 = 10

Divide both sides by

2

x = 5

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 5

2 - \frac{5}{2 b} = \frac{2 b}{b + 1}

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

1 + \frac{4}{y} = \frac{11}{12 y}

x, y = \frac{1}{x - 3}

\frac{5}{12} = \frac{5 x - 9}{x}