Question

{x+y=1
{5x-8y=2,4
помогите пжж​

Answer 1

Ответ:

$\left \{ {{x+y=1} \atop {5x-8y=24}} \right. \\\left \{ {{-5x-5y=-5} \atop {5x-8y=24}} \right. \\\left \{ {{-13y=19} \atop {x+y=1}} \right. \\\left \{ {{y=-1\frac{6}{13} } \atop {x+y=1}} \right. \\\left \{ {{y=-1\frac{6}{13} } \atop {x=2\frac{6}{13} }} \right.$