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

?

A. ?

(-14,  -5)

?


B. ?

(-14,  -5)

?


C. ?

?(-14,  5)



D. ?

?(-5,  -14)



E. ?

?(-5,  -14)



Answer: B

Mathematics

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