F(x)=4x-7x

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Solution for F(x)=4x-7x equation: 



(F)=4F-7F

We move all terms to the left:

(F)-(4F-7F)=0

We add all the numbers together, and all the variables

F-(-3F)=0

We get rid of parentheses

F+3F=0

We add all the numbers together, and all the variables

4F=0

F=0/4

F=0

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