13-2(4r-5)=-(7+8r)

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Solution for 13-2(4r-5)=-(7+8r) equation: 



13-2(4r-5)=-(7+8r)

We move all terms to the left:

13-2(4r-5)-(-(7+8r))=0

We add all the numbers together, and all the variables

-2(4r-5)-(-(8r+7))+13=0

We multiply parentheses

-8r-(-(8r+7))+10+13=0



We calculate terms in parentheses: -(-(8r+7)), so:

-(8r+7)

We get rid of parentheses

-8r-7

Back to the equation:

-(-8r-7)



We add all the numbers together, and all the variables

-8r-(-8r-7)+23=0

We get rid of parentheses

-8r+8r+7+23=0

We add all the numbers together, and all the variables

30!=0

There is no solution for this equation

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