2p+9=4p-7

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Solution for 2p+9=4p-7 equation: 



2p+9=4p-7

We move all terms to the left:

2p+9-(4p-7)=0

We get rid of parentheses

2p-4p+7+9=0

We add all the numbers together, and all the variables

-2p+16=0

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

-2p=-16

p=-16/-2

p=+8

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