Solving a System of Three Equations with Three Unknowns using a Casio 570ES or Casio 991ES/Plus Calculator

Solve the following given system of equations $latex x-y-4z=3&s=1&fg=000000$ $latex 2x-3y+2z=0&s=1&fg=000000$ $latex 2x-y+2z=2&s=1&fg=000000$ Solution: Please watch the video for the solution.

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