12f+15=3

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Solution for 12f+15=3 equation: 



12f+15=3

We move all terms to the left:

12f+15-(3)=0

We add all the numbers together, and all the variables

12f+12=0

We move all terms containing f to the left, all other terms to the right

12f=-12

f=-12/12

f=-1

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