P(x)=3x-4

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Solution for P(x)=3x-4 equation: 



(P)=3P-4

We move all terms to the left:

(P)-(3P-4)=0

We get rid of parentheses

P-3P+4=0

We add all the numbers together, and all the variables

-2P+4=0

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

-2P=-4

P=-4/-2

P=+2

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