-3(-7+7p)=84

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Solution for -3(-7+7p)=84 equation: 



-3(-7+7p)=84

We move all terms to the left:

-3(-7+7p)-(84)=0

We add all the numbers together, and all the variables

-3(7p-7)-84=0

We multiply parentheses

-21p+21-84=0

We add all the numbers together, and all the variables

-21p-63=0

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

-21p=63

p=63/-21

p=-3

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