Rewrite the equation as .
Divide each term in by .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Subtract from both sides of the equation.
Divide each term in by .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Simplify each term.
Multiply and .
Move the negative in front of the fraction.
Solve for t Q=f(1+rt)