Q. The sum of 4x + 3y 7z, x y z and 2x 3y + 4z is

A) 3x - y + 4z

B) 3x - y - 4z

C) 3x + y + 4z

D) 3x + y - 4z

✔ Correct Answer: 3x - y - 4z

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Q. The sum of 4x + 3y ­ 7z, x ­ y ­ z and ­2x ­ 3y + 4z is

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