What is the answer to 5/x+4=12 ?

The answer to 5/x+4=12 is x= 5/8

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5/x+4=12

\frac{5}{x} + 4 = 12

x = \frac{5}{8}

Decimal Notation

x = 0.625

Solution steps

\frac{5}{x} + 4 = 12

Move

4

to the right side

\frac{5}{x} = 8

Multiply both sides by

x

5 = 8 x

Switch sides

8 x = 5

Divide both sides by

8

x = \frac{5}{8}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{5}{8}

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

\frac{p}{1 - p} = e^{1.152}

2 - \frac{2000}{x ^{2}} = 0

x^{- 1} = 2

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