2. Add the following:
(i)
x - 3y - 2z
5x + 7y - z
- 7x - 2y + 4z
Answers
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Answered by
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Answer:
-x+2y+z
Step-by-step explanation:
5x+x=6x and -7x+6x=-x
-3y-2y= -5y and 7y-5y=2y
-2z-z= -3z and 4z-3z=z
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