3(p+7)=9

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Solution for 3(p+7)=9 equation: 



3(p+7)=9

We move all terms to the left:

3(p+7)-(9)=0

We multiply parentheses

3p+21-9=0

We add all the numbers together, and all the variables

3p+12=0

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

3p=-12

p=-12/3

p=-4

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