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5f+6.50f=248.50
We move all terms to the left:
5f+6.50f-(248.50)=0
We add all the numbers together, and all the variables
5f+6.50f-(248.5)=0
We add all the numbers together, and all the variables
11.5f-248.5=0
We move all terms containing f to the left, all other terms to the right
11.5f=248.5
f=248.5/11.5
f=21+7/11.5
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