3p+3=21

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Solution for 3p+3=21 equation: 



3p+3=21

We move all terms to the left:

3p+3-(21)=0

We add all the numbers together, and all the variables

3p-18=0

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

3p=18

p=18/3

p=6

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