Question
Simplify: $19 - [4 + {16 - (12 - 2)}]$
✓
Answer
Given expression: $= 19 - [4 + {16 - (12 - 2)}]$
$= 19 - [4 + {16 - 10}]$ [Removing parentheses]
$= 19 - [4 + 6]$ [Removing braces]
$= 19 - 10$ [Removing square brackets]
$= 9$
$= 19 - [4 + {16 - 10}]$ [Removing parentheses]
$= 19 - [4 + 6]$ [Removing braces]
$= 19 - 10$ [Removing square brackets]
$= 9$
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