What is the answer to 9/x+2=20 ?

The answer to 9/x+2=20 is x= 1/2

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9/x+2=20

\frac{9}{x} + 2 = 20

x = \frac{1}{2}

Decimal Notation

x = 0.5

Solution steps

\frac{9}{x} + 2 = 20

Move

2

to the right side

\frac{9}{x} = 18

Multiply both sides by

x

9 = 18 x

Switch sides

18 x = 9

Divide both sides by

18

x = \frac{1}{2}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{1}{2}

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

\frac{x + 8}{x} = \frac{15}{9}

\frac{2 x}{x + 3} = 5 - \frac{6}{x + 3}

\frac{16}{x} = 4

\frac{v ^{2} + v}{2 v + 1} = v - 3