Translation for "brains were" to spanish

Brains were

• los cerebros eran
• cerebros eran

Translation examples

cerebros eran

Their brains were too tired to argue on two fronts.
Sus cerebros eran demasiado cansado argumentar en dos frentes.

Their damned brains were the same, weren't they?
¿No es cierto que sus malditos cerebros eran iguales?