To solve an equation using Excel Solver, you can follow the above-mentioned steps. However, to use this add-in, you need to install it first. Following that, you can use and apply it to your Excel ...

Excel can solve for unknown variables, ... You'll see the value that solves your equation in the cell that you chose for By changing cell. In our case, the solution is 135,294 units.

Learn about and revise how to create and solve simultaneous equations, including the use of graphs to produce solutions with Bitesize GCSE Maths Edexcel .