x+2/7x=36

x/x-2+x-9/x-7=x+1/x-1+x-8/x-6, x/x-2+x-9/x-7=x+1/x-1+x-8/x-6, x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? X^2-2X-4=0 X（X-7）=5X-36 (x+12)(x-2)+(x+7)(x+8)-(x+5)(x-10),其中x=2 2x+3x+4x+5x+x+6x+7x=100 2x+1.5x=7/36,x=几 解方程：7x-2x+3x=36 解方程7x-2x+3x=36 x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? (x+1)/(x+2)+(x+8)/(x+9)解答x+1/x+2+x+8/x+9=x+2/x+3+x+7/x+8 x+2/7x=36 解方程：6x（7-x）=36-2x（3x-5）x是字母x *-----------------------------------------------*| 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 || 10x -6.2x-2x=36 x=? x+2x×10=10x+2x+36 解方程：（x+2)(x+2)-x*x=36 x*x+2*x+1=36,x怎么解,