Problem

\( \begin{array}{l}7 x+y=19 \\ 6 x+3 y=25\end{array} \)

Answer

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Answer

\( x=\frac{16}{15} , y=\frac{13}{15} \)

Steps

Step 1 ：\( y = \frac{19 - 7x}{1} \)

Step 2 ：\( 6x + 3\left(\frac{19 - 7x}{1}\right) = 25 \)

Step 3 ：\( x=\frac{16}{15} , y=\frac{13}{15} \)

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