Solve: $8 x + 3 y = 11$ ; $3 x + y = 2$

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Solution

We have,
$8 x + 3 y = 11$
$3 x + y = 2$
$\Rightarrow 8 x + 3 (2 - 3 x) = 11$
$\Rightarrow - x = 5$
$x = - 5 y = 17$

Hence, this is the answer.

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