5p+21=-7+4(7-8p)

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Solution for 5p+21=-7+4(7-8p) equation: 



5p+21=-7+4(7-8p)

We move all terms to the left:

5p+21-(-7+4(7-8p))=0

We add all the numbers together, and all the variables

5p-(-7+4(-8p+7))+21=0



We calculate terms in parentheses: -(-7+4(-8p+7)), so:

-7+4(-8p+7)

determiningTheFunctionDomain
4(-8p+7)-7

We multiply parentheses

-32p+28-7

We add all the numbers together, and all the variables

-32p+21

Back to the equation:

-(-32p+21)



We get rid of parentheses

5p+32p-21+21=0

We add all the numbers together, and all the variables

37p=0

p=0/37

p=0

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