F(3)=-0.8x+2

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Solution for F(3)=-0.8x+2 equation: 



(3)=-0.8F+2

We move all terms to the left:

(3)-(-0.8F+2)=0

We get rid of parentheses

0.8F-2+3=0

We add all the numbers together, and all the variables

0.8F+1=0

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

0.8F=-1

F=-1/0.8

F=-1+0.2/0.8

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