(5x-x)+(11-5/4x)=3*(11又5/4x)=x 怎么解
解方程x(2x-3)+3x+3x(x-2)=5x(x-4)+11
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
解方程:5x(x+7)(x+4)=5x(x的平方+11x)
3/x-1=4/x 6/x+1=x+5/x(x+1)
x+4x+8=4x+11 x(2x-4)=5-8x解方程急!
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
7x(x-6)+3x=4x(2x+5)怎么解这个方程
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
(先化简后求值)(3x/x+2-x/x-2)+2x/x^2-4,x=4-根号5,
x-(4/11x+5)/(4/11x+5)=27/17怎么解?
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)