What is the answer to 3/4 = 5/x ?

The answer to 3/4 = 5/x is x= 20/3

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3/4 = 5/x

\frac{3}{4} = \frac{5}{x}

x = \frac{20}{3}

Solution steps

\frac{3}{4} = \frac{5}{x}

Cross multiply

3 x = 20

Divide both sides by

3

x = \frac{20}{3}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{20}{3}

\frac{1}{10} = \frac{10}{k}

\frac{2}{x} = \frac{8}{20}

\frac{( x + 2 ) !}{x !} = 0

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

5 x^{- 2} - 19 x^{- 1} - 4 = 0