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Given the following equations: 2x + 3y - z=5 x - 2y + 3z = 7 x + 5y - 4z = 0 Use proof

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Given the following equations: 2x + 3y - z=5 x - 2y + 3z = 7 x + 5y - 4z = 0 Use proof by contradiction to show that these equations have no solution

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