F(x)=7(0.9)*x

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Solution for F(x)=7(0.9)*x equation: 



(F)=7(0.9)*F

We move all terms to the left:

(F)-(7(0.9)*F)=0



We calculate terms in parentheses: -(7(0.9)*F), so:

7(0.9)*F

We multiply parentheses

6.3F

Back to the equation:

-(6.3F)



We add all the numbers together, and all the variables

F-(+6.3F)=0

We get rid of parentheses

F-6.3F=0

We add all the numbers together, and all the variables

-5.3F=0

F=0/-5.3

F=0

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