What is the answer to 2=(28)/z-2 ?

The answer to 2=(28)/z-2 is z=7

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2=(28)/z-2

2 = \frac{28}{z} - 2

z = 7

Solution steps

2 = \frac{28}{z} - 2

Move

2

to the left side

4 = \frac{28}{z}

Multiply both sides by

z

4 z = 28

Divide both sides by

4

z = 7

Verify Solutions

Find undefined (singularity) points:

z = 0

Combine undefined points with solutions:

z = 7

\frac{n - 2}{n + 9} = \frac{3}{14}

\frac{8}{12} = \frac{r}{r + 1}

\frac{y - 5}{y + 5} = 8

\frac{x + 10}{x - 7} = \frac{8}{9}

3 = \frac{36}{x}