F(x)=12+9x-3x*2-x*3

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Solution for F(x)=12+9x-3x*2-x*3 equation:



(F)=12+9F-3F*2-F*3
We move all terms to the left:
(F)-(12+9F-3F*2-F*3)=0
We add all the numbers together, and all the variables
F-(9F-3F*2-F*3+12)=0
We get rid of parentheses
F-9F+3F*2+F*3-12=0
We add all the numbers together, and all the variables
-8F+3F*2+F*3-12=0
Wy multiply elements
-8F+6F+3F-12=0
We add all the numbers together, and all the variables
F-12=0
We move all terms containing F to the left, all other terms to the right
F=12

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