Question

$\frac{5 - x}{5 + x } = \frac{2}{5}$
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$= > \frac{5 - x}{5 + x} = \frac{2}{5} \\ \\ = > 5(5 - x) = 2(5 + x) \\ \\ = > 25 - 5x = 10 + 2x \\ \\ = > - 5x - 2x = 10 - 25 \\ \\ = > - 7x = - 15 \\ \\ = > x = \frac{ - 15}{ - 7} \\ \\ = > x = \frac{15}{7}$

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