2x-5＝x+5怎么解

2x=5x怎么解 2x=5x怎么解? x^2-6x-5怎么解 80%×5x=2x+13,x怎么解 3x+2x-x+5=33怎么解? x^4-5x^2+10x-6怎么解? 2x-5＝x+5怎么解 方程x平方-2x-5＝0怎么解 x-1+x-2+x-3+x-4+x-5+x-6+x-7=77怎么解速度! 1/(x+1)(x+2)+1/(x+3)(x+4)+1/(x+5)(x+6)+1/(x+7)(x+8)+1/(x+9)(x+10)怎么解 (x+1)(x+3)+8x>(x+5)(x-5)-2怎么解 (3)/(x)+(5)/(2x-1)=(x+27)/2x^2-x怎么解啊! 7x(x-6)+3x=4x(2x+5)怎么解这个方程 X/6+X/12+X/7+5+X/2+4=X怎么解写过程 x 5x=21.6-x-5x怎么解 x(x+5)+(x+5)x=121怎么解 X(X-1)+2X(X+1)-3X(2X-5)这道题目怎么解?X(X-1)+2X(X+1)-3X(2X-5)这道题目怎么解? x-x÷5＝244 x-13＝96-x+13 12x＝10(x+20) 3.6x÷2=7.2×2x-x÷5＝244x-13＝96-x+1312x＝10(x+20)3.6x÷2=7.2×2x÷3-x÷4＝5这些题方程怎么解,