P(x)=3x-2.1

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Solution for P(x)=3x-2.1 equation: 



(P)=3P-2.1

We move all terms to the left:

(P)-(3P-2.1)=0

We get rid of parentheses

P-3P+2.1=0

We add all the numbers together, and all the variables

-2P+2.1=0

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

-2P=-2.1

P=-2.1/-2

P=1+0.1/2

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