5x-3y=6;2x+2y=11 解方程组

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)/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 解二元一次方程组:{5(x+y)+3(x-y)=2{7(x+y)-3(x-y)=-6 解方程组：x+y/2+x-y/3=6 4(x+y)-5(x-y)=12 解二元一次方程组 5x+2y=3 x+6y=11 解方程组(x+y)(x-2y)=-5 (x-y)(x+2y)=7 解方程组x+y/3=x-y/4 2x+3y=11 解方程组X+Y/2=3X-2Y=10+6X+Y/4 解方程组：{x+|3x-y|+3y=15 2x+y=6 1/2x-2y=-74,x-6y=-12解方程组,x／5-y／2=2,2x+3y=4解方程组