Решите систему уравнений

6x+3=5x-4(5y+4)
3(2x-3y)-6x=8-y

6x+3=5x-4(5y+4)3(2x-3y)-6x=8-y6x+3=5x-20y-166x-9y-6x=8-y6x+3-5x+20y+16=06x-9y-6x-8+y=0x+20y=-19-8y=8y= -1x= -19-20yy=-1x=-19+20=1Ответ: (1; -1).