5(x-1)=1 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

2025-01-07 15:53:19
推荐回答(1个)
回答1:

5(x-1)=1
x-1=1/5
x=6/5

2-(1-x)=-2
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
7x=63
x=9

5(x+8)-5=0
5x+40-5=0
5x=-35
x=-7

2(3-x)=9
6-2x=9
-2x=3
x=-3/2

-3(x+3)=24
x+3=-8
x=-11

-2(x-2)=12
x-2=-6
x=-4