Question
Simplify the following algebraic expressions by removing grouping symbols: $5a - {3a - (2 - a) + 4}$
✓
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 $
$= 5a - 4a - 2 = a - 2$
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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