4.5X+31.5/X=4.5X-31.5/(X-12)怎么解?

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4.5X+31.5/X=4.5X-31.5/(X-12)怎么解?4.5X+31.5/X=4.5X-31.5/(X-12)怎么解?4.5X+31.5/X=4.5X-31.5/(X-12)怎么解?两遍都有

4.5X+31.5/X=4.5X-31.5/(X-12)怎么解?
4.5X+31.5/X=4.5X-31.5/(X-12)怎么解?

4.5X+31.5/X=4.5X-31.5/(X-12)怎么解?
两遍都有4.5X
得31.5/X=-31.5/(X-12)
得X=12-X
X=6