-20=-2(2p-5)-7(2p-6)

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Solution for -20=-2(2p-5)-7(2p-6) equation: 



-20=-2(2p-5)-7(2p-6)

We move all terms to the left:

-20-(-2(2p-5)-7(2p-6))=0



We calculate terms in parentheses: -(-2(2p-5)-7(2p-6)), so:

-2(2p-5)-7(2p-6)

We multiply parentheses

-4p-14p+10+42

We add all the numbers together, and all the variables

-18p+52

Back to the equation:

-(-18p+52)



We get rid of parentheses

18p-52-20=0

We add all the numbers together, and all the variables

18p-72=0

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

18p=72

p=72/18

p=4

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