2-(1-x)=-2,11x+1=5(2X+1),4x-3(20-x)=3,5(X+8)-5=0,2(3-X)=9,-3(X+3)_数学解答

2-(1-x)=-2,11x+1=5(2X+1),4x-3(20-x)=3,5(X+8)-5=0,2(3-X)=9,-3(X+3)=24,-2(X-2=12)

人气：319 ℃　时间：2020-04-05 17:19:58

解答

2-(1-x)=-2
1+x=-2
x=-3
11x+1=5(2X+1),
11x+1=10x+5
x=4
4x-3(20-x)=3
4x-60+3x=3
x=9
5(X+8)-5=0
5x=-35
x=-7
2(3-X)=9
3-x=4.5
x=-1.5
-3(X+3)=24
x+3=-8
x=-11
-2(X-2=12)
x=-4