3f+7f=55

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Solution for 3f+7f=55 equation: 



3f+7f=55

We move all terms to the left:

3f+7f-(55)=0

We add all the numbers together, and all the variables

10f-55=0

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

10f=55

f=55/10

f=5+1/2

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