解方程 4x+7=9x+22 2(x-2)-3(4x-1)=9(1-x)

解方程(3x^2+9x+7)/(x+1)-(2x^2+4x-3)/(x-1)-(x^3+x+1)/(x^2-1)=0 解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3) 解方程：（x-8）/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3) 解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8) 解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3 解方程 4x+7=9x+22 2(x-2)-3(4x-1)=9(1-x) 解方程 (3x+1)(3x-1)=(x+2)(9x-4) 2（x-3)(x-2)-(x+3)²=(x-1)(x 方程（x+1)(x+2)(x+3)(x+4)(x+5)(x+6)(x+7)(x^2+8x+9)+64=0 解方程(9x-7)/(3x-2)-(4x-5)/(2x-3)=1 9x+7/3x+2-4x+5/2x+3=1解方程 方程(x-1/x-2)-(x-3/x-4)=(x-2/x-3)-(x-4/x-5)解为x=7/2,(1/x-7)-(1/ 解方程(x²-x+4)x-(x-1)(x²+2)=x+7