解方程组:x-3y=2 3x-7y=10

解方程组X+Y/2=3X-2Y=10+6X+Y/4 解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12) 解二元一次方程组:{5(x+y)+3(x-y)=2{7(x+y)-3(x-y)=-6 解方程组 2x+y(y-2x)=9 (x+y)(x+y-3)=10 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 解方程组 10（x-y)=3(x+y)+15 6(x+y)=4(2x-y)+16 解方程组.2x-7y=3,3x-8y=10 解方程组x/7=y/10 ,2x+3y=44 解方程组:﹛2x-7y=8,3x-8y=10 解方程组(x+y)(x-2y)=-5 (x-y)(x+2y)=7 解方程组｛ 3x-4y(x-y)=3 { 2x-3y=1