Write the system of equations associated with the augmented matrix. Do not solve.

A. 4x + 3y + 8z = -9

-8x + 3y= 2
 8x - 9z = -2

B. 4x + 3y + 8z = -9
-8x + 3z = 2
 8x - 9y= -2

C. 4x + 3y + 8z = -9
-8x + 3y= 2
 8x - 9y= -2

D. 4x + 3y + 8z = -9
-8x + 3y + 2z = 0
 8x - 9y - 2z = 0


Answer: A

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