Mathematics, 18.06.2021 04:10 lbneave
If $a, b,c$ satisfy the system of equations\begin{align*}b + c &= 12-3a \\
a+c &= -14 - 3b \\
a+b &= 7 - 3c,
\end{align*}what is $2a + 2b + 2c$?
pls help
Answers: 3
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If $a, b,c$ satisfy the system of equations\begin{align*}b + c &= 12-3a \\
a+c &= -14 - 3b...
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