What is the answer to 7/x = 20/5 ?

The answer to 7/x = 20/5 is x= 7/4

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7/x = 20/5

\frac{7}{x} = \frac{20}{5}

x = \frac{7}{4}

Decimal Notation

x = 1.75

Solution steps

\frac{7}{x} = \frac{20}{5}

Cross multiply

35 = x \cdot 20

Switch sides

x \cdot 20 = 35

Divide both sides by

20

x = \frac{7}{4}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{7}{4}

\frac{x}{x + 4} + 1 = \frac{16}{x + 4}

\frac{2}{x} = (1.2)

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

\frac{y + 4}{2 y - 3} = \frac{3}{5}

\frac{5 x - 4}{2} = \frac{12}{2 x}