Respuesta:
x+y=72
x-y=48
______
2x = 120
x = 60
x - y = 48
60 - y = 48
y = 12
espero que te sirva :D
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Respuesta:
x+y=72
x-y=48
______
2x = 120
x = 60
x - y = 48
60 - y = 48
y = 12
espero que te sirva :D