5(x-8)=3x 9(2x-3)-2=5(2x-1)

问题描述:

5(x-8)=3x 9(2x-3)-2=5(2x-1)
wocai shang wu nian ji !
ao you jie fang cheng de guo cheng !
yao xiang xi !

5(x-8)=3x
5X-40=3X
5X-3X=40
2X=40
X=20
9(2x-3)-2=5(2x-1)
18X-27-2=10X-5
18X-29=10X-5
18X-10X-29=-5
18X-10X=29-5
8X=24
X=3