21=(-3)+8p

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Solution for 21=(-3)+8p equation: 



21=(-3)+8p

We move all terms to the left:

21-((-3)+8p)=0



We calculate terms in parentheses: -((-3)+8p), so:

(-3)+8p

determiningTheFunctionDomain
8p+(-3)

We add all the numbers together, and all the variables

8p-3

Back to the equation:

-(8p-3)



We get rid of parentheses

-8p+3+21=0

We add all the numbers together, and all the variables

-8p+24=0

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

-8p=-24

p=-24/-8

p=+3

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