1/4х - у/3 больше либо равно 1/3-у

5y+9<=3-7y5y+7y<=3-912y<=-6y<=-6/12y<=-1/23x+1<=4x-53x-4x<=-5-1-x<=-6x<=61/4-y/3>=1/3-yy-y/3>=1/3-1/4(3y-y)/3>=(4-3)/122y/3>=1/122y>=3/122y>=1/4y>=1/86y>3y-26y-3y>-23y>-2y>-2/33-7y>5y-33+3>5y+7y6>12yy<6/12y<1/2x/6+1/2>x-1/31/2+1/3>x-x/6(3+2)/6>(6x-x)/65/6>5x/6x<5/6*6/5x<0