灵鹊做题网（3x+5)/(x+2)+(3x+26)/(x+9)=(3x+17)/(x+6)+(3x+14)/(x+5) 解方程
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（3x+5)/(x+2)+(3x+26)/(x+9)=(3x+17)/(x+6)+(3x+14)/(x+5) 解方程
（3x+5)/(x+2) = [(3x+6) -1] /(x+2) =3 - 1/(x+2) 后面都类似化简
3- 1/(x+2) + 3 - 1/(x+9) = 3 -1/(x+6) + 3 -1/(x+5)
1/(x+2) + 1/(x+9) = 1/(x+6) + 1/(x+5)
(2x+11)/ (x+2)(x+9) =(2x+11)/ (x+6)(x+5)
2x+11 = 0
x = -5.5
3- 1/(x+2) + 3 - 1/(x+9) = 3 -1/(x+6) + 3 -1/(x+5)
1/(x+2) + 1/(x+9) = 1/(x+6) + 1/(x+5)
(2x+11)/ (x+2)(x+9) =(2x+11)/ (x+6)(x+5)
2x+11 = 0
x = -5.5
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
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解方程（x-2）X（x的平方-6x-9）=x(x-5)X(x-3)
（3x+5)/(x+2)+(3x+26)/(x+9)=(3x+17)/(x+6)+(3x+14)/(x+5) 解方程
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