What is the answer to 2/l = 5/7 ?

The answer to 2/l = 5/7 is l= 14/5

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2/l = 5/7

\frac{2}{l} = \frac{5}{7}

l = \frac{14}{5}

Solution steps

\frac{2}{l} = \frac{5}{7}

Cross multiply

14 = l \cdot 5

Switch sides

l \cdot 5 = 14

Divide both sides by

5

l = \frac{14}{5}

Verify Solutions

Find undefined (singularity) points:

l = 0

Combine undefined points with solutions:

l = \frac{14}{5}

\frac{6}{14} = \frac{8}{x}

x + \frac{44}{x} - 15 = 0

3 x^{- 2} - 5 x^{- 1} + 6 = 0

\frac{4 x - 3}{2 x - 5} = x

- \frac{1}{5} = x^{- 1}