Respuesta :

luana
[tex]x-\ first\ number\\y-\ second\ number\\\\ \left \{ {{x-y=2} \atop {x+y=48}} \right. \\\\ \left \{ {{x=2+y} \atop {x+y=48}} \right. \\\\Substution\ method\\\\ 2+y+y=48\\\\ 2+2y=48\\\\ 2y=46\ \ \ |:2\\\\ \boxed{y=23}[/tex]

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