-6+7(p-1)=21

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Solution for -6+7(p-1)=21 equation: 



-6+7(p-1)=21

We move all terms to the left:

-6+7(p-1)-(21)=0

We add all the numbers together, and all the variables

7(p-1)-27=0

We multiply parentheses

7p-7-27=0

We add all the numbers together, and all the variables

7p-34=0

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

7p=34

p=34/7

p=4+6/7

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