x+1/3-y+2/4=0

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x+1/3-y+2/4=0
x-3/4-y-3/3=1/12
(x+1/3)-(y+2/4)=0
(x-3/4)-(y-3/3)=1/12

(x+1)/3-(y+2)/4=0
(x-3)/4-(y-3)/3=1/12
是不是这样?
4*（x+1）-3(y+2)=0
3(x-3)-4(y-3)=1
4x+4-3y-6=0
3x-9-4y+12-1=0
4x-3y-2=0
3x-4y+2=0
12x-9y-6=0
12x-16y+8=0
-9y-6+16y-8=0
7y=14
y=2
4x-3y-2=0
4x=2+3y=2+6
x=2
回答完毕!
如果按你写的的3/3=1为什么不划掉?!

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