7(p-9)=-21

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Solution for 7(p-9)=-21 equation: 



7(p-9)=-21

We move all terms to the left:

7(p-9)-(-21)=0

We add all the numbers together, and all the variables

7(p-9)+21=0

We multiply parentheses

7p-63+21=0

We add all the numbers together, and all the variables

7p-42=0

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

7p=42

p=42/7

p=6

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