解方程:6x−2=xx+3−1
解方程1/(xx+x)+1/(xx+3x+2)+1/(xx+5x+6)+1/(xx+7x+12)+1/(xx+9x+20
解分式方程1−xx−2+2=12−x,可知方程( )
解方程:xx−2+ x−9x−7= x+1x−1+ x−8x−6
关于x的方程xx−3
解分式方程:(1)2xx+3+1=72x+6
解方程:2-xx-3=1-13-x.
解方程:(1)2xx−2=1
用换元法解方程2xx−1+x−1x=4
解分式方程xx+1−x+1x=kx
如果方程2xx+1−x+1x=mx
用换元法解分式方程2xx−1−5x−5x+3=0时,如果设xx−1=y,那么原方程可化为( )
(1)解方程:xx−1=1+2x