解方程组{x/3-y+1/6=3 2(y-x/2)=3(y-x/18)

解方程组：2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16 2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解方程组 解二元一次方程组{3(x+y)-(x-y)=4,x+y/2+x-y/6=1 解方程组﹛2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解二元一次方程组{3(x+y)-4(x-y)=4,x+y/2+x-y/6=1 解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1 解二元一次方程组：3(x+y)-4(x-y)=4,x+y/2+x-y/6+1 解方程组｛ 3x-4y(x-y)=3 { 2x-3y=1 解方程组：{x+|3x-y|+3y=15 2x+y=6 解方程组X+Y/2=3X-2Y=10+6X+Y/4 解方程组{x/3-y+1/6=3 2(y-x/2)=3(y-x/18) 解方程组y/3-x+1/6=3 2(x-y/2)=3(x+y/18)