2x-[3x-{4x-(3y-2x-2y)}]
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3
Answer:
x-y
Step-by-step explanation:
2x-[3x-{4x-(3y-2x-2y)}]
= 2x-[3x-{4x-(y-2x)}]
= 2x-[3x-{4x-y-2x}]
= 2x-[3x-2x-y]
= 2x-x-y
= x-y
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