x+1/3-2=x-(x-1/2)
解:移项:
x=2-1/3+1/2
x=2+1/3
x=7/3
解:x+1/3-2=x-(x-1/2)
则X+1/3-6/3=X-X+1/2
X-5/3=1/2
X=1/2+5/3=3/6+10/6=13/6
有那么难么?
X+1/3-2=X-[X-1/2]
X-1/3-2=X-X-1/2
X-1=-[1/2]
X=1/2
对吗?
X+1/3-2=X-(X-1/2)
X-5/3=1/2
X-5/3=1/2
X=13/6
看来不用我回答了。。。