解方程:X=7(X-12) X-0.4X=0.
解方程:X=7(X-12) X-0.4X=0.
解方程:2x(x-1)-x(3x+2)=-x(x+2)-12
解方程(x²-x+4)x-(x-1)(x²+2)=x+7
解方程:5x(x+7)(x+4)=5x(x的平方+11x)
解方程:2(X-3)(X+5)=X平方+(X+2)(X-2)+(X+7)
解方程x²+x-6分之5x+x²-x-12分之2x-5=x²-6x+8分之7x-10
解分式方程(5-2x)/(x^2-x-12)=5x/(x^2+x-6)+(10-7x)/(x^2-6x+8)得
解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8
解方程: x-5/x-6+x-8/x-9=x-7/x-8+x-6/x-7 过程!
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解分式方程 x-7/x-9+x-3/x-5=x-4/x-6+x-6/x-8
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)