3f+4=7f

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Solution for 3f+4=7f equation: 



3f+4=7f

We move all terms to the left:

3f+4-(7f)=0

We add all the numbers together, and all the variables

-4f+4=0

We move all terms containing f to the left, all other terms to the right

-4f=-4

f=-4/-4

f=1

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