7=3(7-p)

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



7=3(7-p)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(3(-1p+7))+7=0



We calculate terms in parentheses: -(3(-1p+7)), so:

3(-1p+7)

We multiply parentheses

-3p+21

Back to the equation:

-(-3p+21)



We get rid of parentheses

3p-21+7=0

We add all the numbers together, and all the variables

3p-14=0

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

3p=14

p=14/3

p=4+2/3

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