F(x)=-5(x-2)+21

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Solution for F(x)=-5(x-2)+21 equation: 



(F)=-5(F-2)+21

We move all terms to the left:

(F)-(-5(F-2)+21)=0



We calculate terms in parentheses: -(-5(F-2)+21), so:

-5(F-2)+21

We multiply parentheses

-5F+10+21

We add all the numbers together, and all the variables

-5F+31

Back to the equation:

-(-5F+31)



We get rid of parentheses

F+5F-31=0

We add all the numbers together, and all the variables

6F-31=0

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

6F=31

F=31/6

F=5+1/6

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