30+2r=-2r+2

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Solution for 30+2r=-2r+2 equation: 



30+2r=-2r+2

We move all terms to the left:

30+2r-(-2r+2)=0

We get rid of parentheses

2r+2r-2+30=0

We add all the numbers together, and all the variables

4r+28=0

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

4r=-28

r=-28/4

r=-7

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