-1-7(2f-19)=-20-19-5f

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Solution for -1-7(2f-19)=-20-19-5f equation: 



-1-7(2f-19)=-20-19-5f

We move all terms to the left:

-1-7(2f-19)-(-20-19-5f)=0

We add all the numbers together, and all the variables

-7(2f-19)-(-5f-39)-1=0

We multiply parentheses

-14f-(-5f-39)+133-1=0

We get rid of parentheses

-14f+5f+39+133-1=0

We add all the numbers together, and all the variables

-9f+171=0

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

-9f=-171

f=-171/-9

f=+19

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