3p-21=8(2+5p)

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Solution for 3p-21=8(2+5p) equation: 



3p-21=8(2+5p)

We move all terms to the left:

3p-21-(8(2+5p))=0

We add all the numbers together, and all the variables

3p-(8(5p+2))-21=0



We calculate terms in parentheses: -(8(5p+2)), so:

8(5p+2)

We multiply parentheses

40p+16

Back to the equation:

-(40p+16)



We get rid of parentheses

3p-40p-16-21=0

We add all the numbers together, and all the variables

-37p-37=0

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

-37p=37

p=37/-37

p=-1

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