9x-(5x-y-(4y-2(3x-x-y)))
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Answer:
7y
Step-by-step explanation:
9x-(5x-y-(4y-2(3x-x-y)))
9x-(5x-y-(4y-6x+2x+2y))
9x-(5x-y-4y+6x-2x-2y)
9x-5x+y+4y-6x+2x+2y
9x-5x-6x+2x+y+4y+2y
0x+7y
7y
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