Respuesta: 3x es pedro
x juan
3x+x= 40
4x=40
x=10
entonces
pedro 3x= 3*10= 30
juan x= 10
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Verified answer
Respuesta: 3x es pedro
x juan
3x+x= 40
4x=40
x=10
entonces
pedro 3x= 3*10= 30
juan x= 10