p=9/7R+21

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Solution for p=9/7R+21 equation: 



p=9/7+21

We move all terms to the left:

p-(9/7+21)=0

We get rid of parentheses

p-21-9/7=0

We multiply all the terms by the denominator


p*7-9-21*7=0

We add all the numbers together, and all the variables

p*7-156=0

Wy multiply elements

7p-156=0

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

7p=156

p=156/7

p=22+2/7

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