If $3 x + 8 x + 4 x = 6 x + 63$ , then what is $5 x + 23 ?$

28

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35

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38

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58

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62

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Solution

The correct option is D $58$
Given, $3 x + 8 x + 4 x = 6 x + 63$
$\Rightarrow 15 x = 6 x + 63$
$\Rightarrow 9 x = 63$
$\Rightarrow x = 7$
Then $5 x + 23 = 5 (7) + 23$
$= 35 + 23$
$= 58$

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