Mathematics
Mathematics, 28.04.2021 03:10, alvis4485

If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is: 5xy + 9yz +3zx + 5x – 4y
5xy + 10yz +3zx + 15x – 4y
5xy – 9yz +3zx – 5x – 4y
5xy + 10yz +3zx + 5x – 6y

answer
Answers: 3

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If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is: 5xy + 9yz +3zx...

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