What is the answer to 4/6 = 8/a ?

The answer to 4/6 = 8/a is a=12

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4/6 = 8/a

\frac{4}{6} = \frac{8}{a}

a = 12

Solution steps

\frac{4}{6} = \frac{8}{a}

Cross multiply

4 a = 48

Divide both sides by

4

a = 12

Verify Solutions

Find undefined (singularity) points:

a = 0

Combine undefined points with solutions:

a = 12

\frac{3}{x} + \frac{7}{x} = 2

\frac{7}{2} = \frac{6}{x} - 4

y, x = \frac{y}{y + 5}

2 = \frac{9}{r - 5}

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