9=f-45/4

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Solution for 9=f-45/4 equation: 



9=f-45/4

We move all terms to the left:

9-(f-45/4)=0

We add all the numbers together, and all the variables

-(+f-45/4)+9=0

We get rid of parentheses

-f+9+45/4=0

We multiply all the terms by the denominator


-f*4+45+9*4=0

We add all the numbers together, and all the variables

-f*4+81=0

Wy multiply elements

-4f+81=0

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

-4f=-81

f=-81/-4

f=20+1/4

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