Respuesta:
a = 7 b=5
Explicación paso a paso:
a+b = 12 a =12 - b
a^2-b^2=24 -> (12-b)^2-b^2 -> 144-24b+b^2-b^2 = 24
144-24b=24 - > 24b =144-24 - > 24b=120 -> b=120/24=5
b=5
a=12-b = 12-5 = 7
a=7
Comprobando:
a+b=12=7+5
a^2-b^2=24=(7^2)-(5^2)=49-25=24
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Respuesta:
a = 7 b=5
Explicación paso a paso:
a+b = 12 a =12 - b
a^2-b^2=24 -> (12-b)^2-b^2 -> 144-24b+b^2-b^2 = 24
144-24b=24 - > 24b =144-24 - > 24b=120 -> b=120/24=5
b=5
a=12-b = 12-5 = 7
a=7
Comprobando:
a+b=12=7+5
a^2-b^2=24=(7^2)-(5^2)=49-25=24