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Solving Equations with Linear Expressions on One Side and Numbers on the Other Side

Solve the fol...

Question

Solve the following equations :
$2 x + 3 = 13$

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Solution

$2 x + 3 = 13$
$\Rightarrow 2 x = 13 - 3$
$\Rightarrow x = \frac{10}{2} \Rightarrow x = 5$

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\sqrt{3 x^{2} - 2 x + 9} + \sqrt{3 x^{2} - 2 x - 4} = 13

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