Find the common solution:
$5 x + 3 y = 28$
$7 x - 2 y = 2$

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Solution

Given equations are $5 x + 3 y = 28$ and $7 x - 2 y = 2$
Multiply $1$ st equation with $2$ and $2$ nd equation with $3$ , then add both
We get $31 x = 62$ , which implies $x = 2$ and $y = (28 - 10) / 3 = 6$

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