What is the answer to ((n-8)!)/((n-9)!)=9 ?

The answer to ((n-8)!)/((n-9)!)=9 is n=17

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((n-8)!)/((n-9)!)=9

\frac{( n - 8 ) !}{( n - 9 ) !} = 9

n = 17

Solution steps

\frac{( n - 8 ) !}{( n - 9 ) !} = 9

Simplify

\frac{( n - 8 ) !}{( n - 9 ) !} : n - 8

n - 8 = 9

Move

8

to the right side

n = 17

\frac{9}{x ^{4}} + \frac{8}{x ^{2}} = 1

x, t = \frac{1}{( x - y )} \cdot (x + y)

a, a - c = \frac{( 2 ( a + b ) )}{a}

\frac{( 3 x - 6 )}{4 x} = \frac{5}{8}

\frac{5 x + 7}{2} = \frac{3}{2 x - 14}

What is the answer to ((n-8)!)/((n-9)!)=9 ?
The answer to ((n-8)!)/((n-9)!)=9 is n=17
Solve for n: ((n-8)!)/((n-9)!)=9
The solution is n=17