Respuesta :

Ejercicio 123 Mancil II:
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1) 5V(2) - 2V(2) + 3V(2) + V(2) = (5-2+3+1)V(2) = 7V(2) => Rta.
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2) 2V(x) - 5V(x) - 3V(x) + 4V(x) = (2-5-3+4)V(x) = -2V(x) => Rta.
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3) 5V(4) + 7V(4) - 2V(4) - 6V(4) + V(4) = (5+7-2-6+1)V(4) = 5V(4) => RTA.
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4) 6V(2) + 2V(3) - 5V(2) + 8V(3) + V(2) = (6-5+1)V(2) + (2+8)V(3) => RTA.
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5) 3V(a) + 7V(a) + 2V(b) - 4V(a) + 3V(b) = (3+7-4)V(a) + (2+3)V(b) =6V(a) + 5V(b) =>RTA

Espero haberte colaborado. Suerte. Siga ahora sola.