3分之2(x+1)=1-5分之(x-1) 2分之1【x-3分之1(x-1)】4分之3(2x+1) 解方程
人气:362 ℃ 时间:2020-04-11 22:42:13
解答
3分之2(x+1)=1-5分之(x-1)
10(x+1)=15-3(x-1)
10x+10=15-3x+3
13x=8
x=8/13
2分之1【x-3分之1(x-1)】=4分之3(2x+1)
2【x-3分之1(x-1)】=3(2x+1)
6【x-3分之1(x-1)】=9(2x+1)
6x-2(x-1)=18x+9
6x-2x+2=18x+9
14x=-7
x=-1/2
推荐
猜你喜欢
- 【求助化学】粗盐水除杂:钙离子、镁离子、硫酸根离子,先加碳酸根离子再加钡离子为什么不行?
- 不定积分dx/根号x+x的开4次方
- 若(a-1)2+|ab-2|=0,求ab分之1+(a+1)(b+1)分之1+……+(a+2007)(b+2007)分之7的值
- the party,at which i was the guest of honour,was extremely enjoyable为什么要在which前加at
- cause 后加of 或for,
- 用spend造5个句子再变同义句,同义句要用take,cost,pay
- 求曲线积分∫(sinx^2+y)dx,其中L为由y^2=x,x=1所围城区域的边界
- the boy did not have to leave the next day because he got his visa extending.