MathAlgebraLinear algebraSystems of linear equations

Introduction to systems of linear equations

Theory

Solutions of linear equations

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Which of the following triples of the form (x1,x2,x3)(x_{1},x_{2},x_{3}) are the solutions of the equation 2x1−x2−x3+5=02x_{1} - x_{2} -x_{3} + 5 = 0.

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