f+2.5f=28

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Solution for f+2.5f=28 equation:



f+2.5f=28
We move all terms to the left:
f+2.5f-(28)=0
We add all the numbers together, and all the variables
3.5f-28=0
We move all terms containing f to the left, all other terms to the right
3.5f=28
f=28/3.5
f=8

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