Question

Solve $2x+y=5$ and $3x+2y=8$.

Answer 1

Here we have, $2x+y=5\to \left(1\right)$

$3x+2y=8\to \left(2\right)$

Let Multiply $e{q}^n$ (1) by 2.

So, $4x+2y=10$

$4x+2y=8$

________________

$x=2$

In the $e{q}^n$ (1), put $x=2,4+y=5$

So, $x=1$

$(x,y)=(2,1)$