-8r-9=-2(1+4r)

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Solution for -8r-9=-2(1+4r) equation: 



-8r-9=-2(1+4r)

We move all terms to the left:

-8r-9-(-2(1+4r))=0

We add all the numbers together, and all the variables

-8r-(-2(4r+1))-9=0



We calculate terms in parentheses: -(-2(4r+1)), so:

-2(4r+1)

We multiply parentheses

-8r-2

Back to the equation:

-(-8r-2)



We get rid of parentheses

-8r+8r+2-9=0

We add all the numbers together, and all the variables

-7!=0

There is no solution for this equation

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