解方程组,x-2y=1,2x+3y=16 帮帮

解方程组2(x-y)/3-x+y/4=-1 6(x-y)-4(2x-y)=16 解方程组：2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16 二元一次方程组 2(X+Y)-(X-Y)=3 (X+Y)-2(X-Y)=1 解方程组二元一次方程组 2(X+Y)-(X-Y)=3 (X+Y)-2(X-Y)=1 解方程组：｛x：y=3：2 x-y=16求x、y的值 解方程组｛ 3x-4y(x-y)=3 { 2x-3y=1 解方程组,(x+y)^2-3(x+y)=0和x-y=1 解方程组 y=2x x+y=3 利用图像解方程组解方程组2x-y=1,x+2y=3 解方程组：解方程组：｜X+Y｜=1｜X｜+2｜Y｜=3 方程组:3（x+y)-a(x-y)=16,2(x+y)+b(x-y)=15的解是什么? 解方程组x+y/5+x-y/7=2 3(x+y)+x-y/7=16 2x+2y-x+y=3;x+y-2x+2y=1 方程组的解 解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12) 解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5) 数学书解方程组{2(x+y)-(x-y)=3,（x+y)-2(x-y)=1 解方程组 3(x+y)-2(x-y)=9,5(x+y)+2(x-y)=-1 解方程组:{3(x+y)-2(x-y)=9,5(x+y)+2(x-y)=-1} 2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解方程组