Solve the System $\left\{ \begin{array} { l } b + 2 c = 12 - a \\a + c = 12 - 2 b \\2 a + b + c = 12\end{array} \right.$

question 77

Essay

Solve the system. If a system is inconsistent or if the equations are dependent, so indicate. $\left\{ \begin{array} { l } b + 2 c = 12 - a \\a + c = 12 - 2 b \\2 a + b + c = 12\end{array} \right.$

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Definitions:

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