-2(3r+1)=10

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Solution for -2(3r+1)=10 equation: 



-2(3r+1)=10

We move all terms to the left:

-2(3r+1)-(10)=0

We multiply parentheses

-6r-2-10=0

We add all the numbers together, and all the variables

-6r-12=0

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

-6r=12

r=12/-6

r=-2

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