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Question
Simplify:
\[2a - [4b - {4a - (3b - 2a + 2b)}]\]
Sum
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Solution
`2a - [4b - {4a - (3b - overline(2a + 2b))}]`
We will first remove the innermost grouping symbol bar bracket. Next, we will remove ( ), followed by { } and then [ ].
∴ `2a - [4b - {4a - (3b - overline(2a + 2b))}]`
= 2a - [4b - {4a - (3b - 2a - 2b)}]
= 2a - [4b - {4a - (b - 2a)}]
= 2a - [4b - {4a - b + 2a}]
= 2a - [4b - {6a - b}]
= 2a - [4b - 6a + b]
= 2a - [5b - 6a]
= 2a - 5b + 6a
= 8a - 5b
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