3r+3=r-11

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Solution for 3r+3=r-11 equation: 



3r+3=r-11

We move all terms to the left:

3r+3-(r-11)=0

We get rid of parentheses

3r-r+11+3=0

We add all the numbers together, and all the variables

2r+14=0

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

2r=-14

r=-14/2

r=-7

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