2(f-9)=-4

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Solution for 2(f-9)=-4 equation: 



2(f-9)=-4

We move all terms to the left:

2(f-9)-(-4)=0

We add all the numbers together, and all the variables

2(f-9)+4=0

We multiply parentheses

2f-18+4=0

We add all the numbers together, and all the variables

2f-14=0

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

2f=14

f=14/2

f=7

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