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=3X-2Y=10+6X+Y/4
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)—4(x-y)=4,(x+y/2)+(x-y/6)=1.解方程组
解二元一次方程组{3(x+y)-4(x-y)=4,x+y/2+x-y/6=1
解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1
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{3(x+y)-(x-y)=4,x+y/2+x-y/6=1
解方程组:x+y/2+x-y/3=6 4(x+y)-5(x-y)=12
解方程组 10(x-y)=3(x+y)+15 6(x+y)=4(2x-y)+16
解二元一次方程组:3(x+y)-4(x-y)=4,x+y/2+x-y/6+1