几道一元一次方程,1.3x+1/5-x-5/2=1 2.1/2(x-3)-1/3(x-2)=5x/63.-6/5x-3=
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/23 17:34:15
几道一元一次方程,
1.3x+1/5-x-5/2=1 2.1/2(x-3)-1/3(x-2)=5x/6
3.-6/5x-3=3/4 4.2x+1/3-10x+1/6=1
5.x-1/2[x-1/2(x-1)]=2/3(x-1)
1.3x+1/5-x-5/2=1 2.1/2(x-3)-1/3(x-2)=5x/6
3.-6/5x-3=3/4 4.2x+1/3-10x+1/6=1
5.x-1/2[x-1/2(x-1)]=2/3(x-1)
1.3x+1/5-x-5/2=1
30x+6-10x-25=10
20x=25+10-6
20x=29
x=29/20=14.5
2.1/2(x-3)-1/3(x-2)=5x/6
3(x-3)-2(x-2)=5x
3x-9-2x+4=5x
4x=-5
x=-5/4
3.-6/5x-3=3/4
-24x-60=15
24x=-75
x=-25/8
4.2x+1/3-10x+1/6=1
12x+2-60x+1=6
-48x=6-2-1
-48x=3
x=-1/16
5.x-1/2[x-1/2(x-1)]=2/3(x-1)
6x-3(x/2+1/2)=4x-4
12x-3x-3=8x-8
12x-3x-8x=-8+3
x=-5
30x+6-10x-25=10
20x=25+10-6
20x=29
x=29/20=14.5
2.1/2(x-3)-1/3(x-2)=5x/6
3(x-3)-2(x-2)=5x
3x-9-2x+4=5x
4x=-5
x=-5/4
3.-6/5x-3=3/4
-24x-60=15
24x=-75
x=-25/8
4.2x+1/3-10x+1/6=1
12x+2-60x+1=6
-48x=6-2-1
-48x=3
x=-1/16
5.x-1/2[x-1/2(x-1)]=2/3(x-1)
6x-3(x/2+1/2)=4x-4
12x-3x-3=8x-8
12x-3x-8x=-8+3
x=-5
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
一元一次方程3X=2X+5
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
x-4/5-(x-1)=x-3/3-x-2/2一元一次方程
-2x(x-5)=3-x解一元一次方程
解一元一次方程3x-5(2x+1)=12
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),
3/2(x-3)+4/3(x-3)-6/5(x-3)=1一元一次方程
一元一次方程(3x-2)÷5-(5x-6)÷3=1-x 等于多少