решите систему уравнений {3x-2y=-19 5x+4y=5

5x+4y=55x\5+4y\5=5\5x+0.8y=1x=1-0.8y------------3(1-0.8y)-2y= -193-2.4y-2y= -19-4.4y= -22y=22\4.4y=5-------------x=1-0.8yx=1-0.8*5x=1-4x= - 3------------(-3; 5)