X-0.5X-2=9 方程
解方程X-0.5X=15 X-0.8X=10 2.5X+2X=9
9+2x=19.5+0.5x 解方程
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
7.5x-0.5x-2x=130 解方程
解方程:2x(x-9x)+16=0
9x^2+6x=5x解方程
解方程 5x+6x-9=2x
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)谁会解这道方程题
分式方程.x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
x/(x-2)+(x+9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)怎样解这道方程