7p+21+9=5(p-2)-3p

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Solution for 7p+21+9=5(p-2)-3p equation: 



7p+21+9=5(p-2)-3p

We move all terms to the left:

7p+21+9-(5(p-2)-3p)=0

We add all the numbers together, and all the variables

7p-(5(p-2)-3p)+30=0



We calculate terms in parentheses: -(5(p-2)-3p), so:

5(p-2)-3p

We add all the numbers together, and all the variables

-3p+5(p-2)

We multiply parentheses

-3p+5p-10

We add all the numbers together, and all the variables

2p-10

Back to the equation:

-(2p-10)



We get rid of parentheses

7p-2p+10+30=0

We add all the numbers together, and all the variables

5p+40=0

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

5p=-40

p=-40/5

p=-8

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