已知|x-3|+(y+2)2=0,则x+y=______.
已知(x+y+2)2+|2x-3y-1|=0,则x+y=______.
已知(x-3)2+|2x-3y+6|=0,则x=______,y=______.
已知|x-3|+(y+2)2=0,则x+y=______.
已知2x+3y=5,则6x-4y-2(x-5y)=______.
已知|x-3|+|y+1|=0,则3x-2y=______.
已知|x+3|+(x+2y-1)2=0,则x+y=______.
已知集合M={(x,y)|y=x+3},N={(x,y)|y=-2x+6},则M∩N=______.
已知:(2x+3y-4)2+|x+3y-7|=0,则xy=______.
已知y=x-1,则(x-y)2+(y-x)+1的值为______.
已知|2x-4|+|3x+2y+2|=0,则x-y=______.
已知x+2y=2,则3x+6y-5=______.
已知x+y=3,则7-2x-2y的值为______.