Two online calculators and solvers for systems of 2 by 2 and 3 by 3 linear equations.
2 by 2 systems of linear equations are of the form
How to use the calculator
1 - Enter the coefficients a, b, c, d, e, f and the number of decimal places in the results as real number and press "enter".
This tool can be used to check the solutions of a 2 by 2 system of equations solved by hand. It can also be used, efficiently, to explore 2 by 2 system of equations.
Below is a 3 by 3 system of linear equations solver where the system is of the form
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