3(p-7)=3p-21

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Solution for 3(p-7)=3p-21 equation: 



3(p-7)=3p-21

We move all terms to the left:

3(p-7)-(3p-21)=0

We multiply parentheses

3p-(3p-21)-21=0

We get rid of parentheses

3p-3p+21-21=0

We add all the numbers together, and all the variables

=0

p=0/1

p=0

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