解方程：5(x+2)=-(2x-7)x-2[x-6(x+1)-4］=11/3(x+1)+1/4(x+2)+1/5(x+3)=4-1/6(x+4)3/2[2/3(1/4x+1)+2]-2又1/2=2/3x

解方程:2(X-3)(X+5)=X平方+(X+2)(X-2)+(X+7) 解方程：x(3x-4)+2x(x+7)=5x(x-7)+90 5x(x+7)(x+4)=5x(x^2+11X)解方程, 解方程(x+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+6/x+7) 解方程：x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6 解分式方程：(x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6) 解分式方程: (x-1)/(x-2)+(x-6)/(x-7)=(x-2)/(x-3)+(x-5)/(x-6) 解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3 解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7) 解方程 (x+2)/(x+1) - (x+4)/(x+3)=(x+6)/(x+5)-(x+8)/(x+7) 解方程:2X-X=5X-7 2X(x+1.5x)=5x 解方程 解方程；x/x-4=5x/x-2 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 解方程：(3-x)/(1-x)+(x^2-2)/(x^2-8x+7)=1+(x-5)/(x-7) 解方程：2（x-2)(x+3)-(2x-5)(x-1)=3x+7 解方程 2(x-2)(x+3)-(2x-5)(x-1)=3x+7 解方程：(x+5)(x-4)+(4-x)^2-(x-4)(2x-7)=16