Assinale a alternativa que contenha a representação do sistema open curly brackets table attributes columnalign left end attributes row cell 2 x mi...

Assinale a alternativa que contenha a representação do sistema open curly brackets table attributes columnalign left end attributes row cell 2 x minus 5 y plus z equals 1 end cell row cell 3 x minus y plus 2 x equals 3 end cell row cell 4 x minus y minus 3 z equals negative 1 end cell end table close . a. open square brackets table row 2 cell negative 5 end cell 1 row 3 cell negative 1 end cell 2 row 4 cell negative 1 end cell cell negative 3 end cell end table close square brackets open square brackets table row x row y row z end table close square brackets equals open square brackets table row 1 row 3 row cell negative 1 end cell end table close square brackets b. open square brackets table row 1 3 cell negative 1 end cell end table close square brackets open square brackets table row x row y row z end table close square brackets equals open square brackets table row 2 cell negative 5 end cell 1 row 3 cell negative 1 end cell 2 row 4 cell negative 1 end cell cell negative 3 end cell end table close square brackets c. open square brackets table row 2 cell negative 5 end cell 1 row 3 cell negative 1 end cell 2 row 4 cell negative 1 end cell cell negative 3 end cell end table close square brackets open square brackets table row 1 row 3 row cell negative 1 end cell end table close square brackets equals open square brackets table row x row y row z end table close square brackets d. open square brackets table row 2 3 4 row cell negative 5 end cell cell negative 1 end cell cell negative 1 end cell row 1 cell negative 1 end cell cell negative 3 end cell end table close square brackets open square brackets table row x row y row z end table close square brackets equals open square brackets table row 1 row 3 row cell negative 1 end cell end table close square brackets e. open square brackets table row 2 3 4 row cell negative 5 end cell cell negative 1 end cell cell negative 1 end cell row 1 cell negative 1 end cell cell negative 3 end cell end table close square brackets open square brackets table row 1