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Solve the System of Linear Equations by the Method of Elimination.Find

question 75

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Solve the system of linear equations by the method of elimination.Find (x,y) and check your solution algebraically. {0.2x0.5y=27.10.3x+0.4y=70.9\left\{ \begin{array} { l } 0.2 x - 0.5 y = - 27.1 \\0.3 x + 0.4 y = 70.9\end{array} \right.


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