Solve the Pair of Linear Equations by Addition $\begin{array} { c } 6 x - 5 y = 7 \\12 x - 10 y = 14\end{array}$

question 97

Essay

Solve the pair of linear equations by addition.
  $\begin{array} { c } 6 x - 5 y = 7 \\12 x - 10 y = 14\end{array}$

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