4x-3y=1 6x-4y=-2解方程组,先求x,
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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
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
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
解方程组,x+y/2=3x-2y=10+6x+y/4,
解方程组{ 3x-4y(x-y)=3 { 2x-3y=1
1/2x-2y=-74,x-6y=-12解方程组,x/5-y/2=2,2x+3y=4解方程组
解方程组;x+y/2=x-y/3=6 4(x+y)-3(x-y)=-20
3(x+y)—4(x-y)=4,(x+y/2)+(x-y/6)=1.解方程组
要求 解方程组:{(X-1)(Y+1)=(X+1)(Y+1){X(2+Y)-6=Y(X-4)
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
解方程组⑴(x+y)/2-(x-y)/3=6,⑵3(x+y)=4(x-y)