01) Seja o sistema de equações lineares dadas por:
[tex]\begin{cases}\sf{6y_{1} + y_{2} + y_{3} + y_{4} +y_{5 } = 10} \\ \sf{y_{1} + 6y_{2} +y_{3} + y_{4} +y_{5} = 20} \\ \sf{y_{1} + y_{2} +6y_{3} + y_{4} +y_{5} =40} \\ \sf{y_{1} + y_{2} +y_{3} + 6 y_{4} +y_{5} =80} \\ \sf{ y_{1} + y_{2} +y_{3} + y_{4} + 6y_{5} =160} \end{cases}[/tex]
O valor de [tex]\sf{7y_{1} + 3 y_{5}}[/tex] é:
(A) 12
(B) 24
(C) 36
(D) 48
(E) 60​
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