4x+3y= -4
6x + 5y = - 7 ( решите систему уравнения )

{4x+3y = -4|*-5{6x+5y = -7|*3{-20x-15y = 20+{18x+15y = -21-2x = -1x = 1/24*1/2+3y = -42+3y = -43y = -6y = -2Ответ:(1/2; -2)