2(-1+r)=-2

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



2(-1+r)=-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

2(r-1)-(-2)=0

We add all the numbers together, and all the variables

2(r-1)+2=0

We multiply parentheses

2r-2+2=0

We add all the numbers together, and all the variables

2r=0

r=0/2

r=0

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