3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =

来源：学生作业帮编辑：神马作文网作业帮分类：数学作业时间：2024/11/23 19:22:37

3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =
4x-8=12 28-7X7 4+3X=34
= = =
= = =

3X+6=12
3x=6
x=2
40-4X=20
4x=20
x=5
5+6X=35
6x=30
x=5
18=2X-6
2x=24
x=12
20=38-2X
2x=18
x=9
4x-8=12
4x=20
x=5
28-7X=7
7x=35
x=5
4+3X=34
3x=30
x=10

已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值 x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 2x+3x+4x+5x+x+6x+7x=100 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550 y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1 已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10), 解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7) 解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8) （1） x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8