-84=7(2p-4)

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Solution for -84=7(2p-4) equation: 



-84=7(2p-4)

We move all terms to the left:

-84-(7(2p-4))=0



We calculate terms in parentheses: -(7(2p-4)), so:

7(2p-4)

We multiply parentheses

14p-28

Back to the equation:

-(14p-28)



We get rid of parentheses

-14p+28-84=0

We add all the numbers together, and all the variables

-14p-56=0

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

-14p=56

p=56/-14

p=-4

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