解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)
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解方程组{(x-2)(y+3)=(x+1)(y-1){(x+1)(y+1)=(x-1)(y+5)解方程组{(x-2)(y+3)=(x+1)(y-1){(x+1)(y+1)=(x-1)(y+5)解方程组
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)
{(x-2)(y+3)=(x+1)(y-1)
{(x+1)(y+1)=(x-1)(y+5)
{xy+3x-2y-6=xy-x+y-1
{xy+x+y+1=xy+5x-y-5
{4x-3y=5 (1)
{4x-2y=6 (2)
(1)+(2)
-y=-1
y=1
4x=5+3y
4x=5+3
4x=8
x=2
方程组的x=2,y=-1
二元一次方程组 2(X+Y)-(X-Y)=3 (X+Y)-2(X-Y)=1 解方程组二元一次方程组 2(X+Y)-(X-Y)=3 (X+Y)-2(X-Y)=1
利用图像解方程组解方程组2x-y=1,x+2y=3
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解方程组｛ 3x-4y(x-y)=3 { 2x-3y=1
解方程组,(x+y)^2-3(x+y)=0和x-y=1
解方程组 y=2x x+y=3
解方程组解方程组｛y=2x-7｛x+y+z=1｛3x-z=4
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)
解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)
2x+2y-x+y=3;x+y-2x+2y=1 方程组的解
数学书解方程组{2(x+y)-(x-y)=3,（x+y)-2(x-y)=1
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
解方程组 3(x+y)-2(x-y)=9,5(x+y)+2(x-y)=-1
解方程组:{3(x+y)-2(x-y)=9,5(x+y)+2(x-y)=-1}
2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解方程组
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