Решите систему уравнений 4x-5y=25 3x+2y=0,5
{4x-5y=25 {3x+2y=0.5 {4x=25+5y {3x+2y=0.5 {x=(25+5y)/4 {3x+2y=0.5 3(25+5y)/4+2y=0.5|*4 3(25+5y)+8y=2 75+15y+8y=2 15y+8y=2-75 23y=-73 y=-73/23 y=-3,17391... x=(25+5*(-3,17391))/4 x=2,28261...