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What is x?

Please Help!! ASAP What is x?

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Ответ:

HOTaco2181

22.07.2020

Mathematics

q = 8

Step-by-step explanation:

$\frac{q}{q + q + 4} = \frac{2}{5} \\\frac{q}{2q + 4} = \frac{2}{5} \\\\4q + 8 = 5q\\q = 8$

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