p*3+6=42

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Solution for p*3+6=42 equation: 



p*3+6=42

We move all terms to the left:

p*3+6-(42)=0

We add all the numbers together, and all the variables

p*3-36=0

Wy multiply elements

3p-36=0

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

3p=36

p=36/3

p=12

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