Question

Add the following:-
x - 3y - 2z
5x + 7y - z
-7x - 2y + 4z​

Answer 1

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= (x - 3y - 2z) + (5x + 7y - z) + (- 7x - 2y + 4z)

= x - 3y - 2z + 5x + 7y - z - 7x - 2y + 4z

= -x + 2y + z

Answer 2

Answer:

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Step-by-step explanation:

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