Question
Simplify the following algebraic expressions by removing grouping symbols:
5a - {3a - (2 - a) + 4}
5a - {3a - (2 - a) + 4}
✓
Answer
We have,
5a - {3a - (2 - a) + 4}
First, we have to remove the small brackets (or parentheses): ().
Then, we have to remove the curly brackets (or braces): {}.
Therefore,
= 5a - {3a - 2 + a + 4}
= 5a - 3a + 2 - a - 4
= 5a - 4a - 2
= a - 2
5a - {3a - (2 - a) + 4}
First, we have to remove the small brackets (or parentheses): ().
Then, we have to remove the curly brackets (or braces): {}.
Therefore,
= 5a - {3a - 2 + a + 4}
= 5a - 3a + 2 - a - 4
= 5a - 4a - 2
= a - 2
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