-12=-6(10+r)

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Solution for -12=-6(10+r) equation: 



-12=-6(10+r)

We move all terms to the left:

-12-(-6(10+r))=0

We add all the numbers together, and all the variables

-(-6(r+10))-12=0



We calculate terms in parentheses: -(-6(r+10)), so:

-6(r+10)

We multiply parentheses

-6r-60

Back to the equation:

-(-6r-60)



We get rid of parentheses

6r+60-12=0

We add all the numbers together, and all the variables

6r+48=0

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

6r=-48

r=-48/6

r=-8

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