Find the system of linear equations represented by the augmented matrix. Then use back substitution to solve. (Use variables x, y, z and if applicable.)
?

?

A. ?

??(5612-6)



B. ??

?(44, 0, -6)



C. ?

??(-40126)



D. ??

?(440-6)



E. ?

??(-40126)



Answer: D

Mathematics

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