Question

Решите систему уравнений
3y+2x=5
5y+4x=1

Answer 1

$\left \{ {{x= \frac{5-3y}{2} } \atop {5y- \frac{4*(5-3y)}{2} }=1} \right.$
$5y-2(5-3y)=1$
$11y=11 =\ \textgreater \ y=1$
$x= \frac{5-3}{2} =1$