What is the answer to 7=x-8/x ?

The answer to 7=x-8/x is x=8,x=-1

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7=x-8/x

7 = x - \frac{8}{x}

x = 8, x = - 1

Solution steps

7 = x - \frac{8}{x}

Multiply both sides by

x

7 x = x^{2} - 8

Solve

7 x = x^{2} - 8 : x = 8, x = - 1

x = 8, x = - 1

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 8, x = - 1

\frac{277}{x - 277} = 2.1

1 = \frac{1.55 x}{77 + x}

\frac{4 a}{5 a} = \frac{20 a}{x}

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

\frac{2}{5 x} - \frac{x}{10} = 1