F(x)=12x+-7x=3

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Solution for F(x)=12x+-7x=3 equation: 



(F)=12F+-7F=3

We move all terms to the left:

(F)-(12F+-7F)=0

We add all the numbers together, and all the variables

F-(+5F)=0

We get rid of parentheses

F-5F=0

We add all the numbers together, and all the variables

-4F=0

F=0/-4

F=0

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