Question

sendo a//b//c, calcule × aplicando o teorema de tales??? ​

Answer 1

✔OLÁ!!!

$\frac{x + 15}{x} = \frac{x + 2}{x - 2} \\ {x}^{2} - 2x + 15x - 30 = {x}^{2} + 2x \\ {x}^{2} - {x}^{2} + 13x - 30 = 2x \\ 13x - 30 = 2x \\ 13x - 2x = 30 \\ 11x = 30 \\ x = \frac{30}{11}$