-84=7(4-2p)

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



-84=7(4-2p)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(7(-2p+4))-84=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-112=0

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

14p=112

p=112/14

p=8

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