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Simplify: $2x-[3y-{2x-(y-x)}]$.
Given:
$2x-[3y-{2x-(y-x)}]$.
To do:
We have to simplify $2x-[3y-{2x-(y-x)}]$.
Solution:
$2x-[3y-{2x-(y-x)}]=2x-[3y-{2x-y+x}]$
$=2x-[3y-{3x-y}]$
$=2x-[3y-3x+y]$
$=2x-[4y-3x]$
$=2x-4y+3x$
$=5x-4y$
Therefore,
$2x-[3y-{2x-(y-x)}]=5x-4y$.
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