5x+4=25-(x-3) 2x+3-(x+5)=3x-10 8x-2(7+x

2025-05-11 04:13:03
推荐回答(2个)
回答1:

回答2:

5x+4=25-(x-3)
5x+4=25- x+3
6x=24 x=4

2x+3-(x+5)=3x-10
2x+3-x-5=3x-10
2x=8 x=4

8x-2(7+x)=4
8x-14-2x=4
6x=18,x=3

52-x-(3x-8)

10-(x-4) =20-2x
10-x+4=20-2x
x=6

6x-2-(4x-7)=3x
6x-2-4x+7=3x
x=5

3(x-4)+7(x+1)=5(x+4)
3x-12+7x+7=5x+20
5x=25,x=5
2(x+2)+7=3(4x-1)-9(x-1)
2x+4+7=12x-3-9x-1)