P(x)=7-4x

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



(P)=7-4P

We move all terms to the left:

(P)-(7-4P)=0

We add all the numbers together, and all the variables

P-(-4P+7)=0

We get rid of parentheses

P+4P-7=0

We add all the numbers together, and all the variables

5P-7=0

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

5P=7

P=7/5

P=1+2/5

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