What is the answer to 9/3 = 3/(x-1) ?

The answer to 9/3 = 3/(x-1) is x=2

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9/3 = 3/(x-1)

\frac{9}{3} = \frac{3}{x - 1}

x = 2

Solution steps

\frac{9}{3} = \frac{3}{x - 1}

Cross multiply

9 (x - 1) = 9

Divide both sides by

9

x - 1 = 1

Move

1

to the right side

x = 2

Verify Solutions

Find undefined (singularity) points:

x = 1

Combine undefined points with solutions:

x = 2

\frac{x + 6}{x - 4} = \frac{1}{x + 1}

\frac{3}{x} = 3

\frac{2 x - 6}{x} = \frac{x - 2}{4}

\frac{2 x}{x + 1} = 4 - \frac{2}{x + 1}

\frac{6}{x} = \frac{3}{5}