解方程组x/4+y/3=7,2/3x+y/2=14,

解方程组x/4+y/3=7,2/3x+y/2=14, 解方程组｛ 3x-4y(x-y)=3 { 2x-3y=1 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：2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16 解方程组 x-y/3-x+y/4=2 x-y/6-x+y/8=3 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 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