Question: Pleasehelp. Thanks. Linear Algebra. Find solution set of this system of equations. [ begin{array}{l} x_{1}+x_{2}+2 x_{3}+x_{4}=2 2 x_{1}+3 x_{2}+x_{3}-x_{4}=-1 2 x_{1}+4 x_{2}-2 x_{3}+2

Pleasehelp. Thanks. Linear Algebra. Find solution set of this system of equations. \[ \begin{array}{l} x_{1}+x_{2}+2 x_{3}+x_{4}=2 \\ 2 x_{1}+3 x_{2}+x_{3}-x_{4}=-1 \\ 2 x_{1}+4 x_{2}-2 x_{3}+2 x_{4}=4 \\ 2 x_{1}+x_{2}+4 x_{3}+2 x_{4}=1 2 answers

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