Simplify : $5 x - [4 x - {(2 x - 5) - 3 (3 x - 4)}]$

- 7 - 6 x

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- 7 + 6 x

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7 + 6 x

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7 - 6 x

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Solution

The correct option is D $7 - 6 x$
$5 x - [4 x - {(2 x - 5) - 3 (3 x - 4)}]$
$= 5 x - 4 x + [(2 x - 5) - 3 (3 x - 4)]$
$= 5 x - 4 x + 2 x - 5 - 9 x + 12$
$= 7 - 6 x$

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