解方程.12x-9x=8.76x+18=483x+2.1=10.5x+4.8=7.2.
解方程:16^x+12^x=9^x
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
解方程:2x(x-1)-x(3x+2)=-x(x+2)-12
⒈ 解方程 (X+7)/(X+6)+(X+9)/(X+8)=(X+10)/(X+9)+(X+6)/(X+5)
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
求方程解x-5/x-4+x-9/x-8=x-8/x-7+x-6/x-5
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+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解分式方程:(x-4)/(x-5)+(x-8)/(x-9)=(x-7)/(x-8)+(x-5)/( x-6)
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)