(vii)4a + [ 2a - {3b + ( 3a -2b )
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Answer:
3a-b
Explanation:
First remove all brackets as they are not multiplied
= 4a + [ 2a - ( 3b + 3a - 2b )]
= 4a + ( 2a - 3b - 3a + 2b )
= 4a + 2a - 3b - 3a + 2b
= 4a-3a+2a -3b+2b
= 3a-b
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