2(x-y)/3-x+y/4=-1（1）6(x+y)-4(2x-y)=16（2）解：（1）方程两边同乘以12得8（x-y）-3(x+y)=-12合并同类项得5x-11y+12=0(3)(2)合并同类项得10y-2x-16=0(4)(3)*2+(4)*5得28y-56=0所以y=2把y=2代入（1）得x=2
