x+1=5怎么解

X-5X-(10X+1)=1怎么解? x-1/5x-40%x=20 怎么解 3x-1+5x=7x+x-3x这个方程怎么解 (3)/(x)+(5)/(2x-1)=(x+27)/2x^2-x怎么解啊! x-1+x-2+x-3+x-4+x-5+x-6+x-7=77怎么解速度! x 5x=21.6-x-5x怎么解 x(x+5)+(x+5)x=121怎么解 x(x+1)-x(x-1)=188怎么解, x(x+1)-x(x-1)=188怎么解, x*x+2*x+1=36,x怎么解, x-[1/4x+(25%x-5)]=65 怎么解x-[1/4x+(25%x-5)]=65 解方程：X+5/1X=18怎么解 方程x+1/x^2-x 减去1/3x=x+5/3x-3怎么解? [1/(x-5)]+(1/x)=1/6怎么解 x-1=5(1/6x+1)怎么解 1/4x=1/5*(180-x)怎么解? 1/5X+0.8=1/4x,怎么解 1/5x+9=1/2x怎么解?