2a-[4b-{4a-(3b-2a+2b)}]
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8a-9b
Step-by-step explanation:
2a-[4b-{4a-(3b-2a+2b)}]
2a-[4b-{4a-3b+2a-2b)}]
2a-[4b-4a+3b-2a+2b)}]
2a-4b+4a-3b+2a-2b
ANSWER = 8a-9b
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4
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