若|x-6|+|y+5|=0,则x-y=______.
若|3x-y-7|+(5x+2y-8)2=0,则x-y=______.
若2x-3y=5,则6-4x+6y=______.
若|y+2|+(x+5)2=0,则x-y=______.
若3x-4y=0,则x/y=______,(x-y)/y=______,(3x+2y)/(2x+3y)=_____.
若2x+3y-1=y-x-8=x+6,则2x-y=______.
若x2-4x+y2+6y+13=0,则x=______,y=______.
若(5x+2y-12)2+|3x+2y-6|=0,则2x+4y=______.
若4x+3y+5=0,则3(8y-x)-5(x+6y-2)的值等于______.
已知2x+3y=5,则6x-4y-2(x-5y)=______.
已知(x-3)2+|2x-3y+6|=0,则x=______,y=______.
如果|x-2y+1|+|2x-y-5|=0,则x+y的值是______.
若2x-5y=0,且x不等于0,则(6x-5y)/(6x+5y)的值是______.