20=-4(-7.5f+6)+14

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Solution for 20=-4(-7.5f+6)+14 equation: 



20=-4(-7.5f+6)+14

We move all terms to the left:

20-(-4(-7.5f+6)+14)=0



We calculate terms in parentheses: -(-4(-7.5f+6)+14), so:

-4(-7.5f+6)+14

We multiply parentheses

28f-24+14

We add all the numbers together, and all the variables

28f-10

Back to the equation:

-(28f-10)



We get rid of parentheses

-28f+10+20=0

We add all the numbers together, and all the variables

-28f+30=0

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

-28f=-30

f=-30/-28

f=1+1/14

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