What is the answer to 135=(180(n-2))/n ?

The answer to 135=(180(n-2))/n is n=8

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135=(180(n-2))/n

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

n = 8

Solution steps

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

Multiply both sides by

n

135 n = 180 (n - 2)

Expand

180 (n - 2) : 180 n - 360

135 n = 180 n - 360

Move

180 n

to the left side

- 45 n = - 360

Divide both sides by

- 45

n = 8

Verify Solutions

Find undefined (singularity) points:

n = 0

Combine undefined points with solutions:

n = 8

m, a = \frac{f}{m}

3 x^{2} - 6 x - 4 = - \frac{2}{x + 3} + 1

\frac{5 x}{3 x - 6} = \frac{3}{2}

\frac{10}{x} = x - 3

\frac{t}{t + 1} = \frac{t + 1}{3}