Escolha a opção que mostra um sistema de equações lineares com 3 equações e 3 incógnitas. a. open curly brackets table attributes columnalign ...

Escolha a opção que mostra um sistema de equações lineares com 3 equações e 3 incógnitas. a. open curly brackets table attributes columnalign left end attributes row cell 2 x plus y minus z equals 5 end cell row cell x squared minus 2 y plus 3 z equals negative 1 end cell row cell 3 x minus y plus z equals 1 end cell end table close b. open square brackets table row 1 2 1 row 0 1 4 row 0 1 1 end table close square brackets c. open curly brackets table attributes columnalign left end attributes row cell 2 m plus t equals 5 end cell row cell t minus 3 s equals negative 1 end cell row cell negative m plus s equals 0 end cell end table close d. open curly brackets table attributes columnalign left end attributes row cell 2 x plus y minus z equals 5 end cell row cell x minus 2 y plus 3 z equals negative 1 end cell row cell 3 x minus y plus m equals 1 end cell end table close e. open curly brackets table attributes columnalign left end attributes row cell 2 x plus y minus z equals 5 end cell row cell x minus 2 y plus 3 z equals negative 1 end cell end table close