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-14.2f-13.08=-12.1f+18.84
We move all terms to the left:
-14.2f-13.08-(-12.1f+18.84)=0
We get rid of parentheses
-14.2f+12.1f-18.84-13.08=0
We add all the numbers together, and all the variables
-2.1f-31.92=0
We move all terms containing f to the left, all other terms to the right
-2.1f=31.92
f=31.92/-2.1
f=-15+0.42/2.1
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