1=f/2-9

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Solution for 1=f/2-9 equation: 



1=f/2-9

We move all terms to the left:

1-(f/2-9)=0

We get rid of parentheses

-f/2+9+1=0

We multiply all the terms by the denominator


-f+9*2+1*2=0

We add all the numbers together, and all the variables

-1f+20=0

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

-f=-20

f=-20/-1

f=+20

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