解方程组：{5x+3y=2,{3x-2y=11

解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27全过程、快 解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27 解方程组x+y/3=x-y/4 2x+3y=11 解二元一次方程组:{5(x+y)+3(x-y)=2{7(x+y)-3(x-y)=-6 3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2 解方程组 解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4 解方程组 X+Y/2+X-Y/3=6 4[X+Y]-5[X-Y]=2 解方程组：x+y/2+x-y/3=6 4(x+y)-5(x-y)=12 解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5) 用代入法解方程组 {x-y=3 2y+3(x-y)=11} 解二元一次方程组 x+y=3 1/2(x+y)-3y=5 解方程组：{5x+3y=2,{3x-2y=11