Respuesta:
30 y 45
Explicación paso a paso:
X + y = 75; X=75-y
X -y = 15; 75-y-y=15; -2y=15-75; -y=-30; y=30
X=75-y=75-30=45
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Respuesta:
30 y 45
Explicación paso a paso:
X + y = 75; X=75-y
X -y = 15; 75-y-y=15; -2y=15-75; -y=-30; y=30
X=75-y=75-30=45