4x - 3y = 8 -8x + 6y = 16 求x 和 y4x - 3y = 8-8x + 6y = 16求x 和 y

【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2= (3x-4y)(5x-4y)-(7x-8y)(6y-5x) 81/8*(-x-y)^6*(x-y)^3*4/9(x+y)^4*(y-x)^2 4x-3y/x-2y÷6y-8x/y-2x {x+y=1 ,xy=-6{x(2x-3)=0,y=x²-1{(3x+4y-3)(3x+4y+3)=0,3x+2y=5{(x-y+2)(x+y)=0,x²+y²=8{(x+y)((x+y-1)=0,(x-y)(x-y-1)=0 8x-8y-3x-3y=-12,6x+6y-8x+4y=16 填空题 x+y/4=x-y/6=3x+12y+5/8 x= y= 解方程组 x-y/3-x+y/4=2 x-y/6-x+y/8=3 解方程组8/(x+y) +(x-y)/2=3,6/(x+y)-(x-y)/4=1 8（x-y)=3（x+y)-12 6（x+y)=4（2x-y)+16 3(2X+Y)+(2(2x-Y)=6 (8X+4y)-(10X-5Y)=2 8（x-y)=3（x+y)-12 6（x+y)=4（2x-y)+16 已知x-2y=2,求4x-y-8分之3x+y-6 【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y) 1.（（y+2x)(-2x+y)+4(x+2y)^2)/3y 2.（2(x-y)^3-8(x-y）^2(x+y)+6y(x-y)^2）/2（x-y)^2 (4x-2y-z)-{5x[8y-2y-(x+y)]-x+(3y-10z)]=? kuaihuajian 3x+2=y 5x+4=y 7x+6=y 9x+8=y 11x=y 联立方程 有的话 3x+2=y 5x+4=y 7x+6=y 9x+8=y 11x=y