Add:- 8x+7xy-6y,4x-3xy+2y and 4x+xy-y
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Answer:
16x + 5xy - 5y
Step-by-step explanation:
(8x + 7xy - 6y) + (4x - 3xy + 2y) + (4x + xy - y)
=> 8x + 7xy - 6y + 4x - 3xy + 2y + 4x + xy -y
=> 8x + 4x + 4x + 7xy - 3xy + xy - 6y + 2y - y
=> 16x + 5xy - 5y
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