解方程组:3x-5y=8 ,6x+7y=-1解方程组：x/3+y/2=0 ,2(3x-4)-3(y-1)=43

解联立方程组 x/x+y=5/8 x/x+y+6=2/3 解方程组8y+5x=84y-3x=7 方程组 因式分解 4x^3-4x^2y-(x-y) 解方程组8x-5y=6 7x-3y=6 8X+3Y+2=0 6X+5Y+7=0 解方程组 用加减法解方程组：8x+3y+2=0,6x+5y+7=0；(方程组) 解方程组(x+y)(x-2y)=-5 (x-y)(x+2y)=7 解方程组：｛4x+5(x-y)=30,4y-3(x-y)=6 解方程组3分之x-y=2分之 x+y解方程组3分之x-y=2分之 x+y；2x-5y=7 解方程组:{x+y=3,x-y=5 y-3x=2,y-5x=4,y-7x=6,y-9x=8,y-11x=0方程组,无 解二元一次方程组(x+3)(y+5)=(x+1)(y+8),(2x-3)(5y+7)=2(5x-6)(y+1) 解方程组24/(x+y) +24/(x-y) = 7/3 ,8/(x+y) +18/(x-y) = 4/3 解方程组x+y/5+x-y/7=2 3(x+y)+x-y/7=16 解方程组6(x-y)-7(x+y)=21 2(x-y)-5(x+y)=-1 解方程组 x-y/3-x+y/4=2 x-y/6-x+y/8=3 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8/(x+y) +(x-y)/2=3,6/(x+y)-(x-y)/4=1