From Intemodino Group:
This is a simple calculator for solving a system of two equations with two unknowns in one click. This system solver will be useful if you want to simplify solving 2 x 2 systems of equations or just want to check the results. The system solver includes the option to copy the results to the clipboard. For solving the system of equations you simply need to Input the coefficients of the both equations and the system solver will provide the solutions.