解:将括号内展开,有:
3ab-ax-bx=ax-bx,合并同类项有:
3ab=2ax
因为a≠0,所以x=3b/2=1.5b.
希望我的回答会对你有所帮助.
3/2b
3ab-(a+b)x=(a-b)x
(a-b)x+(a+b)x=3ab
ax-bx+ax+bx=3ab
2ax=3ab
x=3/2b
3ab=(a-b+a+b)x
3ab=2ax
x=3b/2
3ab=(a+b)x+(a-b)x
3ab=2ax
x=3b/2
3ab-(a+b)x=(a-b)x
3ab=(a+b+a-b)x
3ab=2ax
x=3ab/2a
x=3b/2