What is the answer to 45=-1/x-45 ?

The answer to 45=-1/x-45 is x=-1/90

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45=-1/x-45

45 = - \frac{1}{x} - 45

x = - \frac{1}{90}

Solution steps

45 = - \frac{1}{x} - 45

Move

45

to the left side

90 = - \frac{1}{x}

Multiply both sides by

x

90 x = - 1

Divide both sides by

90

x = - \frac{1}{90}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = - \frac{1}{90}

\frac{3}{y} = - 6

\frac{3 - z}{z - 4} = \frac{1}{2}

t, \frac{x - v t}{t} = c - v

\frac{9 x}{8} - \frac{8}{9 x} = 0

\frac{9}{x - 1} = \frac{7}{x + 5}