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Use the Echelon Method to Solve the System of Two 4x2y=920x10y=27\begin{array}{l}4 x-2 y=9 \\20 x-10 y=27\end{array}

question 58

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Use the echelon method to solve the system of two equations in two unknowns.
- 4x2y=920x10y=27\begin{array}{l}4 x-2 y=9 \\20 x-10 y=27\end{array}


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