[-2x7+5y-(x-y)]-(5x+3y-7)
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0
Answer:
find in your note book ok
Answered by
1
Answer:
=[-2*7+5y-(x-y)]-(5x+3y-7)
=[-14+5y-x+y]-5x-3y+7
=-14+6y-x-5x-3y+7
=-7-6x+3y
=3y-6x-7
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