What is the answer to 16/21 =(20)/x ?

The answer to 16/21 =(20)/x is x= 105/4

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16/21 =(20)/x

\frac{16}{21} = \frac{20}{x}

x = \frac{105}{4}

Decimal Notation

x = 26.25

Solution steps

\frac{16}{21} = \frac{20}{x}

Cross multiply

16 x = 420

Divide both sides by

16

x = \frac{105}{4}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{105}{4}

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

\frac{2000}{x} = 37.5

\frac{1}{x ^{2}} + 2 = 0

x (\frac{5 x - 3 - 2}{x}) = 0

\frac{8}{5} = \frac{2}{x}