Question

5. Find the sum of 15x2 - 8x?y? + 2xy and -7x2y + 18xy - 4x?y?.
6. Subtract 7x + 3x - 5y from 18x + 2y.
7. What should be added to y + 4x - 9 to get 3x + 5?
8. What should be subtracted from 5xy? – 10x+y + 15x+y to get
-3xy - xy - 8x?y?​

Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

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