Excel can solve equations through several of its mathematical functions, but the single Excel tool that works on the largest variety of equations is the program's Solver Add-in.

Solve Equations in Excel using Solver Add-in Solver Add-in is a powerful and useful tool of Excel which performs calculations to give the optimal solutions meeting the specified criteria.

Example Solve the equation 3 j 6 = 9 using a function machine. Firstly, write the equation as a function machine. Then, find the inverse of each step.