方程组2分之x-3+3分之y-2=4 2分之x-3-3分之y-2=2（加减消元法）?

(x-3)/2 + (y-2)/2 = 4 (1)
(x-3) - (y-2)/2 =2 (2)
(1)+(2),
(x-3)=6,x=9
(1)-(2)
(y-2)=2,y=4
所以最后结果是x=9,y=2