Solve a system of equations with three variables

The video tutorial explains the process of reducing three equations with three variables to two equations with two variables using elimination. The instructor emphasizes the importance of choosing variables with coefficients of 1 or -1 for elimination. The tutorial demonstrates the elimination process, ensuring consistency in variable elimination across equations. It also covers solving the resulting two-variable equations using substitution and highlights that different methods can be used to achieve the same solution.

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