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0.25f=21.20
We move all terms to the left:
0.25f-(21.20)=0
We add all the numbers together, and all the variables
0.25f-(21.2)=0
We add all the numbers together, and all the variables
0.25f-21.2=0
We move all terms containing f to the left, all other terms to the right
0.25f=21.2
f=21.2/0.25
f=84+0.2/0.25
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