F(-3)=-2(x+4)

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Solution for F(-3)=-2(x+4) equation: 



(-3)=-2(F+4)

We move all terms to the left:

(-3)-(-2(F+4))=0

We add all the numbers together, and all the variables

-(-2(F+4))-3=0



We calculate terms in parentheses: -(-2(F+4)), so:

-2(F+4)

We multiply parentheses

-2F-8

Back to the equation:

-(-2F-8)



We get rid of parentheses

2F+8-3=0

We add all the numbers together, and all the variables

2F+5=0

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

2F=-5

F=-5/2

F=-2+1/2

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