-
最佳答案:2(x-2)=(x-3)+22x-4=x-3+2x=3(是增根)3x-8=3(3x-6)+(3x-6)(3x-8)3x-8=9x-18+ 9x^2-42x+48
-
最佳答案:分式方程:(X+2)/X=(X+5)/(X+1)X=1100/(X+3)==200/(X-1)x=-74/x+4/x=1x=91/2+1/(x+3)=(2-x)