-204=-4-8(1+3r)

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Solution for -204=-4-8(1+3r) equation: 



-204=-4-8(1+3r)

We move all terms to the left:

-204-(-4-8(1+3r))=0

We add all the numbers together, and all the variables

-(-4-8(3r+1))-204=0



We calculate terms in parentheses: -(-4-8(3r+1)), so:

-4-8(3r+1)

determiningTheFunctionDomain
-8(3r+1)-4

We multiply parentheses

-24r-8-4

We add all the numbers together, and all the variables

-24r-12

Back to the equation:

-(-24r-12)



We get rid of parentheses

24r+12-204=0

We add all the numbers together, and all the variables

24r-192=0

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

24r=192

r=192/24

r=8

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