方程组{9x+4y=1 x+6y=-11,的解x、y满足2x-ky=10,则k的值是?

2/x-y + 6/x+y = 11/10 分式方程组 4/x-y - 6/x+y =1/10 解方程组：{4/x+y+6/x-y=3 9/x-y-1/x+y=1} 解方程组{4/x+y+6/x-y=3, 9/x-y-1/x+y=1 9x+4y=1,x+6y=-11此方程组的解 y-3x=2,y-5x=4,y-7x=6,y-9x=8,y-11x=0方程组,无 要求 解方程组：｛(X-1)(Y+1)=(X+1)(Y+1)｛X(2+Y)-6=Y(X-4) 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2(x-y)/3-x+y/4=-1 6(x-y)-4(2x-y)=16 解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1kkkkkkkk 解方程组3(x+y)-4(x-y)=4,x+y除以2+x-y除以6=1 解方程组：2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16 一道二元一次方程组!3(x+y)-4(x-y)=4,(x+y)/2+(x-y)/6=1 解方程组 一题 4/x+y+6/x-y=39/x-y-1/x+y=1 解分式方程组：4/（x+y）+6/(x-y)=39/(x-y)-1/(x+y)=1 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/4=-1 6(x+y)-41(x-y)=12 解方程组8/(x+y) +(x-y)/2=3,6/(x+y)-(x-y)/4=1 解二元一次方程组：3(x+y)-4(x-y)=4,x+y/2+x-y/6+1x+y/2+x-y/6+1=1