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9.4-19f=13.53-13.1f
We move all terms to the left:
9.4-19f-(13.53-13.1f)=0
We add all the numbers together, and all the variables
-19f-(-13.1f+13.53)+9.4=0
We get rid of parentheses
-19f+13.1f-13.53+9.4=0
We add all the numbers together, and all the variables
-5.9f-4.13=0
We move all terms containing f to the left, all other terms to the right
-5.9f=4.13
f=4.13/-5.9
f=-3.65486725664/5.22123893805
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