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28=2/5f
We move all terms to the left:
28-(2/5f)=0
Domain of the equation: 5f)!=0We add all the numbers together, and all the variables
f!=0/1
f!=0
f∈R
-(+2/5f)+28=0
We get rid of parentheses
-2/5f+28=0
We multiply all the terms by the denominator
28*5f-2=0
Wy multiply elements
140f-2=0
We move all terms containing f to the left, all other terms to the right
140f=2
f=2/140
f=1/70
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