2p+9=20

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Solution for 2p+9=20 equation: 



2p+9=20

We move all terms to the left:

2p+9-(20)=0

We add all the numbers together, and all the variables

2p-11=0

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

2p=11

p=11/2

p=5+1/2

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