Interchange the variables.

Rewrite the equation as .

Multiply both sides of the equation by .

Remove parentheses.

Move to the left of .

Subtract from both sides of the equation.

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Move the negative in front of the fraction.

Replace the with to show the final answer.

Set up the composite result function.

Evaluate by substituting in the value of into .

Simplify terms.

Simplify each term.

Combine and .

Reduce the expression by cancelling the common factors.

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Rewrite the expression.

Divide by .

Combine the numerators over the common denominator.

Simplify the numerator.

Subtract from .

Add and .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Since , is the inverse of .

Find the Inverse (4x+1)/3