Question

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Answer 1

La respuesta es 15

Resolución:

$(\frac{x-5}{2}) - \frac{x}{5} = 2$

5(x-5) - 2x = 20

5x - 25 - 2x =20

3x - 25 = 20

3x = 20 + 25

3x = 45

x = 45 / 3

x = 15