-3-6(1+4f)=-21

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Solution for -3-6(1+4f)=-21 equation: 



-3-6(1+4f)=-21

We move all terms to the left:

-3-6(1+4f)-(-21)=0

We add all the numbers together, and all the variables

-6(4f+1)-3-(-21)=0

We add all the numbers together, and all the variables

-6(4f+1)+18=0

We multiply parentheses

-24f-6+18=0

We add all the numbers together, and all the variables

-24f+12=0

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

-24f=-12

f=-12/-24

f=1/2

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