-3f=9+4

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Solution for -3f=9+4 equation:



-3f=9+4
We move all terms to the left:
-3f-(9+4)=0
We add all the numbers together, and all the variables
-3f-13=0
We move all terms containing f to the left, all other terms to the right
-3f=13
f=13/-3
f=-4+1/3

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