5p-9=2p-(-12)

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Solution for 5p-9=2p-(-12) equation: 



5p-9=2p-(-12)

We move all terms to the left:

5p-9-(2p-(-12))=0



We calculate terms in parentheses: -(2p-(-12)), so:

2p-(-12)

We add all the numbers together, and all the variables

2p+12

Back to the equation:

-(2p+12)



We get rid of parentheses

5p-2p-12-9=0

We add all the numbers together, and all the variables

3p-21=0

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

3p=21

p=21/3

p=7

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