-246=-6(6+7r)

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Solution for -246=-6(6+7r) equation: 



-246=-6(6+7r)

We move all terms to the left:

-246-(-6(6+7r))=0

We add all the numbers together, and all the variables

-(-6(7r+6))-246=0



We calculate terms in parentheses: -(-6(7r+6)), so:

-6(7r+6)

We multiply parentheses

-42r-36

Back to the equation:

-(-42r-36)



We get rid of parentheses

42r+36-246=0

We add all the numbers together, and all the variables

42r-210=0

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

42r=210

r=210/42

r=5

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