-261=-6r+5(3-8r)

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Solution for -261=-6r+5(3-8r) equation: 



-261=-6r+5(3-8r)

We move all terms to the left:

-261-(-6r+5(3-8r))=0

We add all the numbers together, and all the variables

-(-6r+5(-8r+3))-261=0



We calculate terms in parentheses: -(-6r+5(-8r+3)), so:

-6r+5(-8r+3)

We multiply parentheses

-6r-40r+15

We add all the numbers together, and all the variables

-46r+15

Back to the equation:

-(-46r+15)



We get rid of parentheses

46r-15-261=0

We add all the numbers together, and all the variables

46r-276=0

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

46r=276

r=276/46

r=6

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