3x-4y=1,x/2+y/6=1怎么解

{3(x+y)-4(x-y)=4 {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+1x+y/2+x-y/6+1=1 方程2x+y=3,4x-y=-1,6x+y+z=8怎么解 怎么解二元一次方程组2(x-y)/3-x+y/4=-1和6(x+y)-4(2x-y)=16 这个二元一次方程怎么解2(x-y) / 3 - (x+y) / 4 = -1,6(x+y) - 4(2x-y) = 16. 怎么解二元一次方程组2(x-y)/3-x+y/4=-1和6(x+y)-4(2x-y)=16 解方程组2(x-y)/3-(x+y)/4=-1 ,6(x+y)-4(2x-y)=16 怎么求啊, 2(x-y)/3+x+y/4=-1 6(x+y)-4(2x-y)=16怎么解方程组 怎么解二元一次方程组2(x-y)/3-x+y/4=-1和6(x+y)-4(2x-y)=16用整体带入,快 三分之2（X-Y)-4分之X+Y=-1,3（X+Y）-2（X-Y）=6怎么解 ｛x/60+y/80=10,x/60+y/40=15、｛2x/3+3y/4=1/5,5x/6-5y/2=2、｛5/2(x+y）=1200,10/3（x+y）=1200｛4x+5y=98,5y-4x=2、｛x/3+y/4=54/60,y/4+x/5=42/60怎么解?{40-y=x-4 40-y=y-x 解方程组2(x-y)/3-x+y/4=-1 6(x-y)-4(2x-y)=16 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)/4 -1 6(X+Y)=4(2X-Y)+16解方程 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=1kkkkkkkk 解方程组3(x+y)-4(x-y)=4,x+y除以2+x-y除以6=1 解二元一次方程组{3(x+y)-(x-y)=4,x+y/2+x-y/6=1