Resolver os seguintes sistemas de equações lineares:
(a)
(d)
-2 x-y+3 z+2 t & =-1 2 x-3 y+z+3 t & =1 x+y+z-t & =2
(b)
x-y & =4 5 x+3 y+4 z & =5 x+3 y+2 z & =3
(e)
x+3 y+2 z & =-3 3 x+7 y+4 z & =-5 x+2 y+z & =-1
©
x+2 y-z+t & =1 3 x-y+t & =-3 x+y-z+4 t & =2 x+y-z-t & =1
(f)
2 x+y+2 z & =6 x+5 y+z & =-1 4 x-y+z & =4
(a)
(d)
(b)
(e)
©
(f)
Passo 1
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