Simplify the following algebraic expression.
$17 a - 6 a - 3 a - a$

7 a

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17 a

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10 a

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- 7 a

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Solution

The correct option is D $7 a$
Let us simplify the given algebraic expression $17 a - 6 a - 3 a - a$ as shown below:

$17 a - 6 a - 3 a - a = a (17 - 6 - 3 - 1) = a (17 - 10) = 7 a$

Hence, $17 a - 6 a - 3 a - a = 7 a$ .

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