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Pavos = n
m + n = 35
4m + 2n = 116
Despejo m en 1
m + n = 35
m = 35 - n
Sustituyo m en 2
4m + 2n = 116
4 (35 - n) + 2n = 116
140 - 4n + 2n = 116
- 4n + 2n = 116 - 140
- 2n = - 24
n = -24/-2
n = 12
El valor de n lo sustituyo en m
m = 35 - n
m = 35 - 12
m =23
Solución :
Hay 23 cerdos
Hay 12 pavos