解方程组:(1)x/4+y/3=7 x/3+y/2=8 (2)2x-1/3=y+3/2-2 2(x-3)-(y-2)=5
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解方程组:(1)x/4+y/3=7 x/3+y/2=8 (2)2x-1/3=y+3/2-2 2(x-3)-(y-2)=5
![解方程组:(1)x/4+y/3=7 x/3+y/2=8 (2)2x-1/3=y+3/2-2 2(x-3)-(y-2)=5](/uploads/image/z/4527684-36-4.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%84%EF%BC%9A%281%29x%2F4%2By%2F3%3D7+x%2F3%2By%2F2%3D8+%282%292x-1%2F3%3Dy%2B3%2F2-2+2%28x-3%29-%28y-2%29%3D5)
1、3x+4y=84 2x+3y=48
解得:x=60 y=-24
2、12x-2=6y+9-6 4x-6-y+2=5
解得 x= 49/12 y=22/3 怀疑这一题第一个式子是不是(2x-1)/3=(y+3)/2-2
解得:x=60 y=-24
2、12x-2=6y+9-6 4x-6-y+2=5
解得 x= 49/12 y=22/3 怀疑这一题第一个式子是不是(2x-1)/3=(y+3)/2-2
解方程组{ 3x-4y(x-y)=3 { 2x-3y=1
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)
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
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
解二元一次方程组{3(x+y)-(x-y)=4,x+y/2+x-y/6=1
解二元一次方程组:3(x+y)-4(x-y)=4,x+y/2+x-y/6+1
方程组x-2y=8,3x-4y=5,x=?,y=?
解方程组:(0.2x+0.1y)/2- (4x-y)/10=(x-y)/5+ (3x+0.5y)/30 (3x+2y-1
解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)