Question
Simplify the following: $22-\frac{1}{4}\big\{-5-(-48)\div(-16)\big\}$

Answer

$22-\frac{1}{4}\big\{-5-(-48)\div(-16)\big\}$
$=22-\frac{1}{4}\{-5-(-48-16)\}$
$=22-\frac{1}{4}\Big(-5-\frac{48}{16}\Big)$
$=22-\frac{1}{4}\big(-5-3\big)$
$=22-\frac{1}{4}(-8)$
$=22+\frac{8}{4}$
$=22+2$
$=24$
$\therefore\ 22-\frac{1}{4}\big\{-5-(-48)\div(-16)\big\}=24$

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