Question

Hallar “x”, si:
A) 7 B) 8 C) 9 D) 10 E) 11 10 ​

Answer 1

$tg\alpha = \frac{1}{3}$

$\frac{x-4}{2x-5} = \frac{1}{3}$

$3(x-4) = 2x-5\\3x-12 =2x-5\\3x-2x=-5+12\\ x = 7$

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eso es todo :D