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Popular >

inverse of (x+21)/(x-7)

Solution

inverse

\frac{x + 21}{x - 7}

Solution

\frac{21 + 7 x}{x - 1}

Solution steps

y = \frac{x + 21}{x - 7}

Replace

x

with

y

x = \frac{y + 21}{y - 7}

Solve for

y, x = \frac{y + 21}{y - 7}

\frac{21 + 7 x}{x - 1}

Popular Examples

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critical f(x)= x/(x^2+36)critical points

f (x) = \frac{x}{x ^{2} + 36}

Frequently Asked Questions (FAQ)

What is the inverse of (x+21)/(x-7) ?
The inverse of (x+21)/(x-7) is (21+7x)/(x-1)