若|x-2y+1|+|x+y-5|=0,则x=______,y=______.
若|x-y+2|与(x+y-1)2互为相反数,则x=______,y=______.
若3x-4y=0,则x/y=______,(x-y)/y=______,(3x+2y)/(2x+3y)=_____.
若|3x-y-7|+(5x+2y-8)2=0,则x-y=______.
如果|x-2y+1|+|2x-y-5|=0,则x+y的值是______.
若|y+2|+(x+5)2=0,则x-y=______.
若2x+3y-1=y-x-8=x+6,则2x-y=______.
若x+3y=3x+2y=7,则x=______,y=______.
实数x,y满足x≥y≥1和2x2-xy-5x+y+4=0,则x+y=______.
若(x-2y+1)2+|x+2y-3|=0,则x=______,y=______.
已知(x+y+2)2+|2x-3y-1|=0,则x+y=______.
若|x+3|+(y-2)2=0,则x-2y=______.
若2x-3y=5,则6-4x+6y=______.