2(f+3)=f-9

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Solution for 2(f+3)=f-9 equation: 



2(f+3)=f-9

We move all terms to the left:

2(f+3)-(f-9)=0

We multiply parentheses

2f-(f-9)+6=0

We get rid of parentheses

2f-f+9+6=0

We add all the numbers together, and all the variables

f+15=0

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

f=-15

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