Add the following : 6z - 7y - 2x, 7 y - 4 z - 5 x, 3 z - 7 y + 4 x
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this is the Ans.(5z-7y-3x)
hope this help you....
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Answered by
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Answer:
5z + 7y - 3x
Step-by-step explanation:
6z - 7y - 2x, 7y - 4z - 5x, 3z - 7y + 4x
= 6z - 4z + 3z - 7y + 7y + 7y - 2x - 5x + 4x
= 5z + 7y - 3x
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