3p-7p=9

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Solution for 3p-7p=9 equation: 



3p-7p=9

We move all terms to the left:

3p-7p-(9)=0

We add all the numbers together, and all the variables

-4p-9=0

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

-4p=9

p=9/-4

p=-2+1/4

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