2x+y=6,3x+y=8解方程组

解方程组 x-y/3-x+y/4=2 x-y/6-x+y/8=3 解联立方程组 x/x+y=5/8 x/x+y+6=2/3 解方程组8/(x+y) +(x-y)/2=3,6/(x+y)-(x-y)/4=1 x+6=y-x-8,2x+3y-1=y-x-8 解这个方程组x+6=y-x-8,2x+3y-1=y-x-8解这个方程组 解方程组,x+y/2=3x-2y=10+6x+y/4, 解方程组 y=2x x+y=3 解方程组;x+y/2=x-y/3=6 4(x+y)-3(x-y)=-20 解方程组 4(x+y)-(2x-y)=14 ,3(x+y)-2(2x-y)=8 3/x+y+2/x-y=6,3（x+y)-2(x-y)=28解这个方程组 解方程组⑴(x+y)/2-(x-y)/3=6,⑵3(x+y)=4(x-y) 解方程组4（x+y)-3(x-y)=14;(x+y)/2+(x+y)/3=6 解方程组 X+Y/2+X-Y/3=6 4[X+Y]-5[X-Y]=2 解方程组2(x-y)/3-x+y/4=-1 6(x-y)-4(2x-y)=16 解二元一次方程组{x+y/2+x-y/3=6,4(x+y)-2=5(x-y) 解方程组2分之x+y+3分之x-y=6 4(x+y)-5(x-y)=2 解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4 解方程组：2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16 2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解方程组