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OpenStudy (anonymous):
What is the solution to the following system? 3x+2y+z=20 x-4y-z=-10 2x+y+2z=15 A. (2, 3, 4) B. (4, 3, –2) C. (4, 3, 2) D. (6, 7, –2)
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OpenStudy (mrs.irwin):
For this you can plug in each answer choice to figure out the answer
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