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Mathematics, 02.01.2020 07:31 elizabethg56

X-y+z=-7
x+y+z=1
x+y-z=9

how would you solve this equation?

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Answers: 2

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You know the right answer?
X-y+z=-7
x+y+z=1
x+y-z=9

how would you solve this equation?...
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