P=4-2x-7

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Solution for P=4-2x-7 equation: 



=4-2P-7

We move all terms to the left:

-(4-2P-7)=0

We add all the numbers together, and all the variables

-(-2P-3)=0

We get rid of parentheses

2P+3=0

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

2P=-3

P=-3/2

P=-1+1/2

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