A) \[2x+3y-4z\text{ }=3~~\]
B) \[6x-4y+8z\text{ =}7\]
C) \[4x+4y-3z\text{ =}1\]
D) \[3x\text{ +}2y\text{ +}4z\text{ =}9\]
Correct Answer: B
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