2(x-y)/3+x+y/4=-1 6(x+y)-4(2x-y)=16怎么解方程组
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2(x-y)/3+x+y/4=-1 6(x+y)-4(2x-y)=16怎么解方程组
![2(x-y)/3+x+y/4=-1 6(x+y)-4(2x-y)=16怎么解方程组](/uploads/image/z/17640502-70-2.jpg?t=2%28x-y%29%2F3%2Bx%2By%2F4%3D-1+6%28x%2By%29-4%282x-y%29%3D16%E6%80%8E%E4%B9%88%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%84)
原方程组化为 { 20x-5y=-12 ①
{ 5y-x=8 ②
①+②得:x=-4/19
把x=-4/19代入②得:y=148/95
∴{ x=-4/19
{ y=148/95
{ 5y-x=8 ②
①+②得:x=-4/19
把x=-4/19代入②得:y=148/95
∴{ x=-4/19
{ y=148/95
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16
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
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)-4(x-y)=4,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
怎么解二元一次方程组2(x-y)/3-x+y/4=-1和6(x+y)-4(2x-y)=16
解方程组X+Y/2=3X-2Y=10+6X+Y/4
解方程组{ 3x-4y(x-y)=3 { 2x-3y=1
3(x+y)—4(x-y)=4,(x+y/2)+(x-y/6)=1.解方程组
要求 解方程组:{(X-1)(Y+1)=(X+1)(Y+1){X(2+Y)-6=Y(X-4)
解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4