8×1.5x+(4+8)x=13.2

x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=? x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? 解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1 x(x+4)=8x+12 x(x+4)=8x+12 x(x-4)=2-8x 4,8-x=3x(x 解方程：8x-3x=105 x-0.36x=16 13.2x+9x=33.3 2x+1.5x=17.5 2x+1.5x=17.5 2x-x=41.6 解方程：8x-3x=105 x-0.36x=16 13.2x+9x=33.3 2x+1.5x=17.5 2x+1.5x=17.5 2x-x=41.6 6x+4x+8x=32 x=? （x-3.6)/4=(x+4.8)/8x 求x x-8/x-4=2-x-5/x-7 (x+8)*(x+4)=x*x+116 初二分式方程x+3/x+4+x+8/x+9=x+4/x+5+x+7/x+8解(x+3/x+4)+(x+8/x+9)=(x+4/x+5)+(x+7/x+8) 8×1.5x+(4+8)x=13.2 解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)