7(p+3)=-2(p-4)=9

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Solution for 7(p+3)=-2(p-4)=9 equation: 



7(p+3)=-2(p-4)=9

We move all terms to the left:

7(p+3)-(-2(p-4))=0

We multiply parentheses

7p-(-2(p-4))+21=0



We calculate terms in parentheses: -(-2(p-4)), so:

-2(p-4)

We multiply parentheses

-2p+8

Back to the equation:

-(-2p+8)



We get rid of parentheses

7p+2p-8+21=0

We add all the numbers together, and all the variables

9p+13=0

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

9p=-13

p=-13/9

p=-1+4/9

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