5f+4f-3f-12=9

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Solution for 5f+4f-3f-12=9 equation:



5f+4f-3f-12=9
We move all terms to the left:
5f+4f-3f-12-(9)=0
We add all the numbers together, and all the variables
6f-21=0
We move all terms containing f to the left, all other terms to the right
6f=21
f=21/6
f=3+1/2

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