7(p/2+5)=21

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Solution for 7(p/2+5)=21 equation: 



7(p/2+5)=21

We move all terms to the left:

7(p/2+5)-(21)=0

We multiply parentheses

7p+35-21=0

We add all the numbers together, and all the variables

7p+14=0

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

7p=-14

p=-14/7

p=-2

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