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1/2f+4=12
We move all terms to the left:
1/2f+4-(12)=0
Domain of the equation: 2f!=0We add all the numbers together, and all the variables
f!=0/2
f!=0
f∈R
1/2f-8=0
We multiply all the terms by the denominator
-8*2f+1=0
Wy multiply elements
-16f+1=0
We move all terms containing f to the left, all other terms to the right
-16f=-1
f=-1/-16
f=1/16
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