$5 a - {3 a - (4 - a) - 4}$ is equal to

3 a + 8

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a - 8

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a + 8

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3 a - 8

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Solution

The correct option is D $a + 8$
Given, $5 a - {3 a - (4 - a) - 4}$
$= 5 a - {3 a - 4 + a - 4}$
$= 5 a - {4 a - 8}$
$= 5 a - 4 a + 8$
$= a + 8$ , which is simplified form.

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