ancho = x todo se iguala a 80
largo 8 + x 8 + x + 8 + x + x + x = 80
perimetro 80 16 + 4 x = 80
4x = 64
x = 6
reemplazamos:
8 + x = 8 + 6 = 14
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ancho = x todo se iguala a 80
largo 8 + x 8 + x + 8 + x + x + x = 80
perimetro 80 16 + 4 x = 80
4x = 64
x = 6
reemplazamos:
8 + x = 8 + 6 = 14
x = 6