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Solve using matrices y=x+Z 3y + 8z = 7 X + 7 = y + 6z Select the correct choice below and, if necessary, fill in the answer b
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Answer #1

y = y 2 + x E 2-4+2=0 3y +87=7 3y + 82 = 7 +7= =y+62 = ) = 29 -h-30 -7 Solving by Gaussian Elimination method 1 O 0 3 8 ។ -10 m R, R, - 1 R3 R₂J Rz- & R3 Im 이 . C 어에 a_ 3 Z

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