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2f/9-3=-2
We move all terms to the left:
2f/9-3-(-2)=0
We add all the numbers together, and all the variables
2f/9-1=0
We multiply all the terms by the denominator
2f-1*9=0
We add all the numbers together, and all the variables
2f-9=0
We move all terms containing f to the left, all other terms to the right
2f=9
f=9/2
f=4+1/2
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