Solve$\left\{ \begin{array} { l }
7 a + 3 b - 8 c + 2 d = - 4 \
5 a - 8 b + 5 c - 4 d = 15 \
5 a - 4 b + 8 c + 7 d = 16 \
7 a + b - 4 c + 4 d = 2
\end{array} \right.$

Question

Solve$\left\{ \begin{array} { l } 
7 a + 3 b - 8 c + 2 d = - 4 \
5 a - 8 b + 5 c - 4 d = 15 \
5 a - 4 b + 8 c + 7 d = 16 \
7 a + b - 4 c + 4 d = 2
\end{array} \right.$

Examlex · Accepted Answer

The Answer of Solve$\left\{ \begin{array} { l } 
7 a + 3 b - 8 c + 2 d = - 4 \
5 a - 8 b + 5 c - 4 d = 15 \
5 a - 4 b + 8 c + 7 d = 16 \
7 a + b - 4 c + 4 d = 2
\end{array} \right.$

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Correct Answer:
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