What is the answer to 156=(180(n-2))/n ?

The answer to 156=(180(n-2))/n is n=15

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156=(180(n-2))/n

156 = \frac{180 ( n - 2 )}{n}

n = 15

Solution steps

156 = \frac{180 ( n - 2 )}{n}

Multiply both sides by

n

156 n = 180 (n - 2)

Expand

180 (n - 2) : 180 n - 360

156 n = 180 n - 360

Move

180 n

to the left side

- 24 n = - 360

Divide both sides by

- 24

n = 15

Verify Solutions

Find undefined (singularity) points:

n = 0

Combine undefined points with solutions:

n = 15

\frac{2}{v} = \frac{1}{8}

\frac{20}{x} = \frac{15}{14}

\frac{20}{x} = \frac{15}{13}

L, E = \frac{50 M}{L}

- \frac{3}{y} = - 6