12×x÷3=23×(62-x)÷2解
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 01:57:49
12×x÷3=23×(62-x)÷2解
12×x÷3=23×(62-x)÷2解
12×x÷3=23×(62-x)÷2解
4x=713-11.5x
15.5x=713
x=46
解得x=46。先算左边,然后把2乘过去,再算出右边,把有关x的项移到一边就可以求解了。
12×x÷3=23×(62-x)÷2解
x-x÷5=244 x-13=96-x+13 12x=10(x+20) 3.6x÷2=7.2×2x-x÷5=244x-13=96-x+1312x=10(x+20)3.6x÷2=7.2×2x÷3-x÷4=5这些题方程怎么解,
6.8+12÷x=10.8,14-0.5(x+3)=7.8,3.5x-3x-10=8,7.9-5x=7.8÷210x-20=6x,10+6x=8x,2(x+54)=8x,25-2x=5+2x
(1)x÷x=x x= (2)x2=2x x= (3(1)x÷x=x x=(2)x2=2x x=(3)x=x-x x=
[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简
化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x
化简:〔(x^2+18x+72)÷(x+12)-(x^2+5x-6)÷(x-1)〕·(x^3-2x^2-x+1)
(x^24 x^23 x^22 …… x)÷(x^8+1)×(x^3+x^2-x-1)÷(x-1)÷(x^4+1)求值(x^24+x^23+x^22+……+x+1)÷(x^8+1)×(x^3+x^2-x-1)÷(x-1)÷(x^4+1)
X=12是下面( )方程的解 A .4X一2.4X=6.4 B.20X÷4=10 C.2x一4=20 D.3X+8=23
(X+2/X-X-1/X-2)÷X-4/X²-4X+4其中X是不等式3X+7>1的负整数解
(x^2-x-6)÷(x-3)
计算:1.y/4x²-1/12y²+1/6xy 2.3/x-6/1-x-x+5/x²-x3.x/x-y×y²/x+y-x四次方y/x四次方-y四次方÷x²/x²+y²解方程:1.x-1/(x-2)+1=1/2-x2.x+1/x-1-4/x²-1=13.1/x+3-2/3-x=1/x²-9
化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
解方程:(1)2x-19=7x+31 (2)20-2x=x-1 (3)19-x=100-10x (4)1/3x+5=2/3x-62x-19=7x+317x-2x=-19-31这里应该是31+19吧?5x=-50x=-50÷5x=-10
(x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3
哪个x的值是方程的解?x÷6=0.3 (x=20,x=1.8) 43+x=60 (x=19x=105)接着上面的 9x-5x=16 (x=64 x=4) 3.8x-x=5.6 (x=2 x=2.8)
x+x÷2+x÷3>11 怎么解