方程两边是负数怎么办,如负二十分之一x等于负一 -0.05x=-1

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/20 06:19:37
方程两边是负数怎么办,如负二十分之一x等于负一 -0.05x=-1
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方程两边是负数怎么办,如负二十分之一x等于负一 -0.05x=-1
方程两边是负数怎么办,如负二十分之一x等于负一 -0.05x=-1

方程两边是负数怎么办,如负二十分之一x等于负一 -0.05x=-1
-0.05x=-1
　　则x=（-1）/(-0.05)=1/0.05=20

直接变正 0.05x=1
~期望您的采纳~
~谢谢~
o(︶︿︶)o

两边负号可以直接约去，相当于两边同乘以或者除以负一。所以两边都是正的。正确答案20
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两边负号可以直接约去，相当于两边同乘以或者除以负一。所以两边都是正的。正确答案20
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收起

两边负号都去掉 就变成 0.05x=1

-0.05X=-1,两边同时乘以或者除以-1,得:0.05x=1,再两边同时除以0.05得.x=1/0.05.分子分母同时乘以100.得,x=100/5.解得.x=20

负二十分之一x=负一
【两种办法】
(1)两边乘以-1
二十分之一x=1
（2）两边+1+二十分之一x
二十分之一x=1
然后两边乘以20
x=20

方程两边是负数怎么办,如负二十分之一x等于负一 -0.05x=-1 两边都有X的解方程（解比例）0.4：X=X：1/10（注：1/10即指十分之一）两边都是X...55555~ 解方程分母是负数怎么办解方程（去分母）分母是负数怎么办：X－3 3X+4 ——=———-5 15 方程0.5X=十分之一的解是? 请构造一个一元一次方程,是方程的解是负数,要求方程左右两边含有分数和未知数. 某同学在解方程8x－8=12x－8中采取了如下步骤：1：在等是两边加上8,得8x=12x,.某同学在解方程8x－8=12x－8中采取了如下步骤：1：在等是两边加上8,得8x=12x,2：在等式两边除以x得8=12,所以原方程 解方程 x-1/10（这个是十分之一）x=9 解方程：10^((lgx)^2)+x^(lgx)=20、答案是十或十分之一. “无解”是什么概念?是否就是方程的解无法使两边相等?关于x的一元一次方程(3m+8n)x+6=0无解,则m·n是（）A.正数 B.非正数 C.负数 D.非负数请列出详细清楚的思考过程,最好举另外几道类似题的 等式两边都是未知数是方程吗?比如x+A=M,这个是方程吗？ 分数指数幂底数是负数怎么办? 解方程：3.5×（12＋2x）＝59－1.5x不能出负数!紧急,再线等 在分式方程中,两边有时都乘未知数,万一乘的是0,两边同时约掉怎么办,这不就不准了? 1.配方法解一元二次方程的基本思路是：（1）先将方程配方 （2）如果方程左右两边均为非负数则两边 同时开 解方程,十九分之一x +十分之一（500-x)=32 如果关于X的方程:(1-m)x=1-2x的解是负数 关于x的方程5(x+k)=3x-(k-1)的解是负数 为啥方程两边对x求导是这样?怎么对x求导?