Originally Posted by

**leviriven** I frequently use the following two formulas in my work.

(1) V = A / (1 + kd)

(2) V = Ae^(-kd)

These formulas provide alternative methods for finding the value V, when the variables A, k, and d are known. However, currently I have the values for V, d, and A, but not for k. I would like to reformulate these expressions to solve for k.

I have completely forgotten the necessary algebraic rules. I would greatly appreciate if someone can help me reformulate these equations.