8=-3-3r

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Solution for 8=-3-3r equation: 



8=-3-3r

We move all terms to the left:

8-(-3-3r)=0

We add all the numbers together, and all the variables

-(-3r-3)+8=0

We get rid of parentheses

3r+3+8=0

We add all the numbers together, and all the variables

3r+11=0

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

3r=-11

r=-11/3

r=-3+2/3

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