-21/7*p=-3

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Solution for -21/7*p=-3 equation: 



-21/7p=-3

We move all terms to the left:

-21/7p-(-3)=0



Domain of the equation: 7p!=0

p!=0/7

p!=0

p∈R



We add all the numbers together, and all the variables

-21/7p+3=0

We multiply all the terms by the denominator


3*7p-21=0

Wy multiply elements

21p-21=0

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

21p=21

p=21/21

p=1

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