9+7r=-5+7(r+3)

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Solution for 9+7r=-5+7(r+3) equation: 



9+7r=-5+7(r+3)

We move all terms to the left:

9+7r-(-5+7(r+3))=0



We calculate terms in parentheses: -(-5+7(r+3)), so:

-5+7(r+3)

determiningTheFunctionDomain
7(r+3)-5

We multiply parentheses

7r+21-5

We add all the numbers together, and all the variables

7r+16

Back to the equation:

-(7r+16)



We get rid of parentheses

7r-7r-16+9=0

We add all the numbers together, and all the variables

-7!=0

There is no solution for this equation

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