Solve each system in Exercises 518. x + y y - z 2x + y + 3z
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Solve each system in Exercises 5–18.
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x + y y - z 2x + y + 3z = -4 1 -21 =
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xy4 yz 1 2x y 3z 21 Eliminate y from Equations 1 and 2 by mu...View the full answer
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