解方程组 {x/2+y/3=2-x {43x+37y=197

解方程组 {x/2+y/3=2-x {43x+37y=197 解方程组(x+y)(x-2y)=-5 (x-y)(x+2y)=7 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 如果方程组3x+y=k x+3y=2的解x,y 解方程组：{x+|3x-y|+3y=15 2x+y=6 解方程组x+y/3=x-y/4 2x+3y=11 用代入法解方程组:y=3(x-y),x=2(x-y) 解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12) 求x+y/3+x-y/2=6 3(x+y)-2(x-y)=28方程组的解 3/x+y+2/x-y=6,3（x+y)-2(x-y)=28解这个方程组 数学书解方程组{2(x+y)-(x-y)=3,（x+y)-2(x-y)=1