3=4f-9

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Solution for 3=4f-9 equation:



3=4f-9
We move all terms to the left:
3-(4f-9)=0
We get rid of parentheses
-4f+9+3=0
We add all the numbers together, and all the variables
-4f+12=0
We move all terms containing f to the left, all other terms to the right
-4f=-12
f=-12/-4
f=+3

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