6a -[3a - {6a - (7a-2b)} - ~2a-3c]
simplify
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Answer:
31a-2b-3c
Step-by-step explanation:
6a-[3a-{42a-2b}-2a-3c
6a-39a-2b-2a-3c
33a-2b-2a-3c
31a-2b-3c
Hope it helps you:)
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