Add 2x+3y+4z and 3x-4y-5z
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Answer: 2x+3y+4z + 3x-4y-5z=5x-y-z
Step-by-step explanation:
Given 2x+3y+4z and 3x-4y-5z
(2x+3y+4z) + (3x-4y-5z)=5x-y-z
By adding, 2x+3y+4z and 3x-4y-5z we get
=5x-y-z
hence, 5x-y-z is the answer
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