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\begin{exerciseStatement}
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Find the solution to the given system of IVPs.
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\[ 0 = 2 \, {y} + {x'} - 4 \, {x} \hspace{2em}x(0)= -3 \]\[ 0 = -7 \, {y} + 2 \, {x} + {y'} \hspace{2em}x(0)= 1 \]
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\end{exerciseStatement}
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\begin{exerciseAnswer}
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\[x= -e^{\left(8 \, t\right)} - 2 \, e^{\left(3 \, t\right)} \]\[y= 2 \, e^{\left(8 \, t\right)} - e^{\left(3 \, t\right)} \]
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\end{exerciseAnswer}
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