解方程：x−7x−9+x−3x−5=x−4x−6+x−6x−8．
解方程：
+
=
+
．
| x−7 |
| x−9 |
| x−3 |
| x−5 |
| x−4 |
| x−6 |
| x−6 |
| x−8 |
数学人气：806 ℃时间：2020-03-24 07:31:16
优质解答
1+2x−9+1+2x−5=1+2x−6+1+2x−8，1x−9+1x−5=1x−6+1x−81x−8-1x−9=1x−5-1x−61(x−8)(x−9)=1(x−5)(x−6)（x-8）（x-9）=（x-5）（x-6）x2-17x+72=x2-11x+306x=42x=7，经检验：x=7是原分式方程的解．...
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