Question
Simplify: $36 - [18 - {14 - (15 - 4 ÷ 2 × 2)}]$
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Answer
Given expression:
$36 - [18 - {14 - (15 - 4 ÷ 2 \times 2)}]$ [Performing division]
$= 36 - [18 - {14 - (15 - 2 \times 2)}]$ [Performing multiplication]
$= 36 - [18 - {14 - (15 - 4)}]$
$= 36 - [18 - {14 - 11}]$ [Removing parentheses]
$= 36 - [18 - 3]$ [Removing braces]
$= 36 - 15$ [Removing square brackets]
$= 21$
$36 - [18 - {14 - (15 - 4 ÷ 2 \times 2)}]$ [Performing division]
$= 36 - [18 - {14 - (15 - 2 \times 2)}]$ [Performing multiplication]
$= 36 - [18 - {14 - (15 - 4)}]$
$= 36 - [18 - {14 - 11}]$ [Removing parentheses]
$= 36 - [18 - 3]$ [Removing braces]
$= 36 - 15$ [Removing square brackets]
$= 21$
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