20=-2(2p-4)

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Solution for 20=-2(2p-4) equation: 



20=-2(2p-4)

We move all terms to the left:

20-(-2(2p-4))=0



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

-2(2p-4)

We multiply parentheses

-4p+8

Back to the equation:

-(-4p+8)



We get rid of parentheses

4p-8+20=0

We add all the numbers together, and all the variables

4p+12=0

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

4p=-12

p=-12/4

p=-3

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