一元一次方程几道题目、帮忙
一元一次方程几道题目、帮忙
1、负(2X-3)-(2X-4)=1注:X是未知数
2、负(3y)+(4y-3)=2y-2
3、3y-[2y-(y+1)]=负2Y+3
4、2a-(4a-3)=a+b
5、(x平方-2X-1)-(X平方-4X+5)=2
6、-(3X-4)-(4x-5)=(-2X-7)
1、负(2X-3)-(2X-4)=1注:X是未知数
2、负(3y)+(4y-3)=2y-2
3、3y-[2y-(y+1)]=负2Y+3
4、2a-(4a-3)=a+b
5、(x平方-2X-1)-(X平方-4X+5)=2
6、-(3X-4)-(4x-5)=(-2X-7)
其他人气:733 ℃时间:2020-04-01 04:29:45
优质解答
1. -2x+3-2x+4-1=0 x=3/22.-3y+4y-3-2y+2=0y=-13.3y-2y+y+1+2y-3=0y=1/24.2a-4a+3-a=b b=3-3a5.x^2-2x-1-x^2+4x-5-2=0x=46. -3x+4-4x+5+2x+7=0x=8/5过程
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