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Excel Guides

There are a few different ways to solve simultaneous equations in Excel. The first way is to use the built-in solver tool. To do this, you need to have the Solver add-in installed. You can get this add-in from the Microsoft website. Once you have installed the Solver add-in, you can access it by going to the Data tab and then clicking on the Solver button.

When you click on the Solver button, a new window will open up. In this window, you need to specify the cells that contain the variables that you want to solve for. You also need to specify the objective function. This is the equation that you want to optimize. In most cases, you will want to minimize or maximize this function.

Once you have specified the objective function and the cells that contain the variables, you can click on the Solve button. Excel will then try to find a solution that optimizes the objective function. If it finds a solution, it will display it in a new window.

The second way to solve simultaneous equations in Excel is to use matrix operations. This method is a bit more complicated than using the solver tool, but it can be more powerful if you know how to use it correctly.

To use matrix operations, you first need to enter all of your equations into a single matrix. Each equation should be entered into a different row of the matrix. Once you have done this, you need to take the inverse of the matrix. This can be done by using the MINVERSE function.

Once you have taken the inverse of the matrix, you need to multiply it by another matrix that contains all of the solutions that you are looking for. This matrix is called the right hand side matrix. To create this matrix, you simply need to enter all of the values that you are solving for into a single column.

After you have created both matrices, you can multiply them together using the MMULT function. This will give you a new matrix that contains all of the solutions to your equations. You can then use these solutions in your spreadsheet just like any other number.

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