Write the system of equations associated with the augmented matrix. Do not solve.
A. 7x + 6y + 7z = -2
| 8x | + 8z = 4 |
| 9x | + 9z = 2 |
B. 7x + 6y + 7z = -2
| 8x | + 8z = 4 |
| 9x + 9y | = 2 |
C. 7x - 6y + 7z = -2
| 8x | + 8z = -4 |
| 9x + 9y | = -2 |
Answer: B
Mathematics
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