What is the answer to 8/x = 32/20 ?

The answer to 8/x = 32/20 is x=5

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8/x = 32/20

\frac{8}{x} = \frac{32}{20}

x = 5

Solution steps

\frac{8}{x} = \frac{32}{20}

Cross multiply

160 = x \cdot 32

Switch sides

x \cdot 32 = 160

Divide both sides by

32

x = 5

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 5

f^{- 1} (0.5) = 1.4 \cdot 0. 8^{0.5}

\frac{4}{9} = \frac{12}{x}

100 = \frac{4 x ^{2}}{( 2 - x ) ^{2}}

1 + \frac{1}{x} = \frac{12}{x ^{2}}

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