7f+12=82

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Solution for 7f+12=82 equation: 



7f+12=82

We move all terms to the left:

7f+12-(82)=0

We add all the numbers together, and all the variables

7f-70=0

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

7f=70

f=70/7

f=10

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