resolva os seguintes sistemas de equaçoes fracionárias
x+y=6
x/y= 1/2
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X+y=6 ==> x +2x = 6 ==> 3x = 6 ==> x = 2x = 1 ==> y = 2x ==> y = 2.2 ==> y = 4
y 2
x/y=1/2
x=y/2 y/2+y=6 3y/2=6 3
y=6*2 y=12/3 y =4
x+4=6
x=2