81=f+34

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Solution for 81=f+34 equation:



81=f+34
We move all terms to the left:
81-(f+34)=0
We get rid of parentheses
-f-34+81=0
We add all the numbers together, and all the variables
-1f+47=0
We move all terms containing f to the left, all other terms to the right
-f=-47
f=-47/-1
f=+47

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