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Popular >

inverse of f(x)=3x+21

Solution

inverse

f (x) = 3 x + 21

Solution

\frac{x - 21}{3}

Solution steps

y = 3 x + 21

Replace

x

with

y

x = 3 y + 21

Solve for

y, x = 3 y + 21

\frac{x - 21}{3}

Popular Examples

inverse of (7x+3)/(x-5)inverse

\frac{7 x + 3}{x - 5}

inverse of f(x)=log_{10}(x-4)inverse

f (x) = lo g_{10} (x - 4)

inverse of f(x)=(x+4)/(3x-5)inverse

f (x) = \frac{x + 4}{3 x - 5}

inverse of f(x)=7x+14 inverse

f (x) = 7 x + 14

inverse of f(x)=x^2+5x+6 inverse

f (x) = x^{2} + 5 x + 6

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=3x+21 ?
The inverse of f(x)=3x+21 is (x-21)/3