5(x+1.5)= 17.5 2(x-2.6)= 8 8(x-6.2)= 41.6
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8
解方程2(x-2.6)=8 5(x+1.5)=17.5 8(X-6.2)=41.6 (x-3)÷2+7.5
(x/x-1)+(5x-2)/x*x-x=1 求x(有图)
解方程,2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-3)÷
2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-
x+4x+8=4x+11 x(2x-4)=5-8x解方程急!
(1)6+2(x-3)=X (2)8-2(x-7)=x-(x-4) (3)2x-(1.5x-1)=2(1.5x-1)
x+17=3(x+13),2x-11.2=0.6x,2.5x-2.17=21.9-5.8x,8(x-1.5)=x+0.6
5*(x-2)=4*(x+3) 2x+(50-x)*4=140 3x-(8-x)=20*4 200x=(x-0.5)*2
x+1分之x+2减去x+3分之x+4=x+5分之x+6减去X+7分之x+8 (解方程)