College Algebra / Alg 496 · Atom · ~20 seconds
Systems in Three Variables
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A system in three variables seeks an ordered triple satisfying all three equations; the strategy eliminates down to two, then finishes with old methods.
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For x + y + z = 6, x − y + z = 2, x + y − z = 0, the one solution is the triple (1, 2, 3).
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