9+7f=-11-9

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Solution for 9+7f=-11-9 equation: 



9+7f=-11-9

We move all terms to the left:

9+7f-(-11-9)=0

We add all the numbers together, and all the variables

7f+9-(-20)=0

We add all the numbers together, and all the variables

7f+29=0

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

7f=-29

f=-29/7

f=-4+1/7

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