Respuesta :

Alia1111

[tex]4d = 6r - 12 \\ 6r = 4d + 12 \\ r = \frac{1}{6} (4d + 12) \\ r = \frac{2 \times 2}{3 \times 2} d + \frac{12}{6} \\ r = \frac{2}{3} d + 2[/tex]