-2(r+3)=10

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



-2(r+3)=10

We move all terms to the left:

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

We multiply parentheses

-2r-6-10=0

We add all the numbers together, and all the variables

-2r-16=0

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

-2r=16

r=16/-2

r=-8

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