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2/3f-20=8
We move all terms to the left:
2/3f-20-(8)=0
Domain of the equation: 3f!=0We add all the numbers together, and all the variables
f!=0/3
f!=0
f∈R
2/3f-28=0
We multiply all the terms by the denominator
-28*3f+2=0
Wy multiply elements
-84f+2=0
We move all terms containing f to the left, all other terms to the right
-84f=-2
f=-2/-84
f=1/42
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