F(x)=40x+30

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Solution for F(x)=40x+30 equation: 



(F)=40F+30

We move all terms to the left:

(F)-(40F+30)=0

We get rid of parentheses

F-40F-30=0

We add all the numbers together, and all the variables

-39F-30=0

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

-39F=30

F=30/-39

F=-10/13

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