2+6X=36,

[(x+6)/(x-6)][(x-4)/(x+4)]^2+[(x-6)/(x+6)][(x+9)/(x-9)]^2=2(x^2+36)/(x^2-36) 解方程 式子 6-2x+3x=3x-4x+3x+18 6-x+3x=2x-5x+1 2x-1=5x-36-2x+3x=3x-4x+3x+18 6-x+3x=2x-5x+12x-1=5x-3 先化简再求值x^2+x-6/x^4-13x^2+36 (其中x=-3) 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, 72/x-36/x^2-11=(6-x)^2 (6+x)×(2+x)=9+36 方程：12x+36-6x=102 2x-48-x=54 2x-1+x=14 已知6X^2+X=12 求36X^4+12X^3-17X^2-12X+1 解方程：6x（7-x）=36-2x（3x-5）x是字母x x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? (x/x-2)+(2/x*2+2x)-(x+6/x*2-4)化简,=x^2/x(x-2)+(2x-4)/x(x^2-4)-(x^2+6x)/x(x^2-4)=x^2/x(x-2)-(x+2)/x(x-2)=(x-2)(x+1)/x(x-2)=(x+1)/x 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 2x+3x+4x+5x+x+6x+7x=100 9-3x-4x=4 27+5x-7x=3 7x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x 19.5-2x=27-5x 21+4x-x=369-3x-4x=427+5x-7x=37x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x19.5-2x=27-5x 21+4x-x=36 9-3x-4x=4 27+5x-7x=3 7x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x 19.5-2x=27-5x 21+4x-x=369-3x-4x=427+5x-7x=37x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x19.5-2x=27-5x 21+4x-x=36 x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? X(x平方-6x-9)-x(x平方-8x-15)+2x(3-x)其中x=-六分之一