16. 2a - [4b - {4a - (3b - 2a + 2b)}}
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Answer:
8a - 9b
Step-by-step explanation:
2a - [4b - {4a - (3b - 2a + 2b)}]
First let's open the last bracket
=2a - [4b - {4a - 3b + 2a - 2b }
Let's open the next bracket
=2a - [4b - 4a + 3b - 2a + 2b]
=2a - 4b + 4a - 3b + 2a - 2b
=2a + 4a + 2a - 4b - 3b - 2b
=8a - 9b
Hope this helps Mark as branliest pls
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