-9+4f=f

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Solution for -9+4f=f equation:



-9+4f=f
We move all terms to the left:
-9+4f-(f)=0
We add all the numbers together, and all the variables
3f-9=0
We move all terms containing f to the left, all other terms to the right
3f=9
f=9/3
f=3

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