[中學] 方程式消失
解方程式
(x+2)/(x+1)+(x+5)/(x+4)=(x+3)/(x+2)+
(x+4)/(x+3)的解？
我的算式:
1+1/(x+1)+1+1/(x+4)=1+1/(x+2)+1+1/(x+3)
把兩邊2減掉然後通分
(2x+5)/(x^2+5x+4)=(2x+5)/(x^2+5x+6)
...然後接下來要怎解？
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