5xy+7x-8y from 8xy+9x-11y+20
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Answer:
2x+3xy-3y+20
Step-by-step explanation:
=8xy+9x-11y+20-(5xy+7x-8y)
=8xy+9x-11y+20-5xy-7x+8y
=8xy-5xy+9x-7x-11y+8y+20
=3xy+2x-3y+20
=2x+3xy-3y+20
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