3f+6f+5=81

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Solution for 3f+6f+5=81 equation: 



3f+6f+5=81

We move all terms to the left:

3f+6f+5-(81)=0

We add all the numbers together, and all the variables

9f-76=0

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

9f=76

f=76/9

f=8+4/9

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