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8.1f-16.25=11f+3.46
We move all terms to the left:
8.1f-16.25-(11f+3.46)=0
We get rid of parentheses
8.1f-11f-3.46-16.25=0
We add all the numbers together, and all the variables
-2.9f-19.71=0
We move all terms containing f to the left, all other terms to the right
-2.9f=19.71
f=19.71/-2.9
f=-6+1/1.25541125541
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