4(r+5)=7-(-4r-13)

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Solution for 4(r+5)=7-(-4r-13) equation: 



4(r+5)=7-(-4r-13)

We move all terms to the left:

4(r+5)-(7-(-4r-13))=0

We multiply parentheses

4r-(7-(-4r-13))+20=0



We calculate terms in parentheses: -(7-(-4r-13)), so:

7-(-4r-13)

determiningTheFunctionDomain
-(-4r-13)+7

We get rid of parentheses

4r+13+7

We add all the numbers together, and all the variables

4r+20

Back to the equation:

-(4r+20)



We get rid of parentheses

4r-4r-20+20=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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