Question

6/(x+2) 4/(x-2) teorema de tales

Answer 1

$\frac{6}{x + 2} = \frac{4}{x - 2} \\ 6x - 12 = 4x + 8 \\ 6x - 4x = 8 + 12 \\ 2x = 20 \\ x = \frac{20}{2} \\ x = 10$