What is the answer to 2=x^{-1} ?

The answer to 2=x^{-1} is x= 1/2

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2=x^{-1}

2 = x^{- 1}

x = \frac{1}{2}

Decimal Notation

x = 0.5

Solution steps

2 = x^{- 1}

Refine

2 = \frac{1}{x}

Multiply both sides by

x

2 x = 1

Divide both sides by

2

x = \frac{1}{2}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{1}{2}

\frac{1}{x - 2} + 3 = x + 1

2 + \frac{3}{x} = \frac{11}{4}

\frac{5}{x} + \frac{x}{3} = 4

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

28 a^{- 2} + 45 a^{- 1} - 7 = 0