What is the answer to (10)/(2a)= 20/4 ?

The answer to (10)/(2a)= 20/4 is a=1

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(10)/(2a)= 20/4

\frac{10}{2 a} = \frac{20}{4}

a = 1

Solution steps

\frac{10}{2 a} = \frac{20}{4}

Cross multiply

20 = a \cdot 20

Switch sides

a \cdot 20 = 20

Divide both sides by

20

a = 1

Verify Solutions

Find undefined (singularity) points:

a = 0

Combine undefined points with solutions:

a = 1

\frac{5 ( 2 x + 1 ) ^{2}}{4 x + 5} = 5 x - 1

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

y, x = \frac{y + 2}{y - 2}

\frac{36}{b} = 1.3

\frac{12}{6} = \frac{8}{x}