-7=f/2-9

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Solution for -7=f/2-9 equation: 



-7=f/2-9

We move all terms to the left:

-7-(f/2-9)=0

We get rid of parentheses

-f/2+9-7=0

We multiply all the terms by the denominator


-f+9*2-7*2=0

We add all the numbers together, and all the variables

-1f+4=0

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

-f=-4

f=-4/-1

f=+4

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