12(x+5)=144 2(x-26)=80 1.5(x-1.2)=2.5 8(x-6.4)=42.4 4(x+15)=
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/11/11 01:42:20
12(x+5)=144 2(x-26)=80 1.5(x-1.2)=2.5 8(x-6.4)=42.4 4(x+15)=80
2x+5x=35 2.5x+0.05x=10.2
2x+5x=35 2.5x+0.05x=10.2
12(x+5)=144
x+5=12
x=7
2(x-26)=80
x-26=40
x=66
1.5(x-1.2)=2.5
15(x-1.2)=25
x-1.2=5/3
x=5/3+(6/5)
x=43/15
8(x-6.4)=42.4
x-6.4=5.3
x=11.7
4(x+15)=80
x+15=20
x=5
2x+5x=35
7x=35
x=5
2.5x+0.05x=10.2
2.55x=10.2
x=4
x+5=12
x=7
2(x-26)=80
x-26=40
x=66
1.5(x-1.2)=2.5
15(x-1.2)=25
x-1.2=5/3
x=5/3+(6/5)
x=43/15
8(x-6.4)=42.4
x-6.4=5.3
x=11.7
4(x+15)=80
x+15=20
x=5
2x+5x=35
7x=35
x=5
2.5x+0.05x=10.2
2.55x=10.2
x=4
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
(x/x-1)+(5x-2)/x*x-x=1 求x(有图)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
12(x+5)=144 2(x-26)=80 1.5(x-1.2)=2.5 8(x-6.4)=42.4 4(x+15)=
解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
3/x-1=4/x 6/x+1=x+5/x(x+1)
(先化简后求值)(3x/x+2-x/x-2)+2x/x^2-4,x=4-根号5,
x-x/5=2.4 (求未知数x) 12÷5%x=8 4x+x=12.5
x+4x+8=4x+11 x(2x-4)=5-8x解方程急!
15x(3x-8)-4X(2X+3)=6X(4X-4)-4
x+17=3(x+13),2x-11.2=0.6x,2.5x-2.17=21.9-5.8x,8(x-1.5)=x+0.6