-p/7=3

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Solution for -p/7=3 equation: 



-p/7=3

We move all terms to the left:

-p/7-(3)=0

We multiply all the terms by the denominator


-p-3*7=0

We add all the numbers together, and all the variables

-1p-21=0

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

-p=21

p=21/-1

p=-21

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