-200=4(6+8r)

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Solution for -200=4(6+8r) equation: 



-200=4(6+8r)

We move all terms to the left:

-200-(4(6+8r))=0

We add all the numbers together, and all the variables

-(4(8r+6))-200=0



We calculate terms in parentheses: -(4(8r+6)), so:

4(8r+6)

We multiply parentheses

32r+24

Back to the equation:

-(32r+24)



We get rid of parentheses

-32r-24-200=0

We add all the numbers together, and all the variables

-32r-224=0

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

-32r=224

r=224/-32

r=-7

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