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7/f+39=45
We move all terms to the left:
7/f+39-(45)=0
Domain of the equation: f!=0We add all the numbers together, and all the variables
f∈R
7/f-6=0
We multiply all the terms by the denominator
-6*f+7=0
We add all the numbers together, and all the variables
-6f+7=0
We move all terms containing f to the left, all other terms to the right
-6f=-7
f=-7/-6
f=1+1/6
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