-16-8r=-7(4r+4)+8r

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Solution for -16-8r=-7(4r+4)+8r equation: 



-16-8r=-7(4r+4)+8r

We move all terms to the left:

-16-8r-(-7(4r+4)+8r)=0



We calculate terms in parentheses: -(-7(4r+4)+8r), so:

-7(4r+4)+8r

We add all the numbers together, and all the variables

8r-7(4r+4)

We multiply parentheses

8r-28r-28

We add all the numbers together, and all the variables

-20r-28

Back to the equation:

-(-20r-28)



We get rid of parentheses

-8r+20r+28-16=0

We add all the numbers together, and all the variables

12r+12=0

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

12r=-12

r=-12/12

r=-1

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