-1+7r=-2+8r+3

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Solution for -1+7r=-2+8r+3 equation: 



-1+7r=-2+8r+3

We move all terms to the left:

-1+7r-(-2+8r+3)=0

We add all the numbers together, and all the variables

7r-(8r+1)-1=0

We get rid of parentheses

7r-8r-1-1=0

We add all the numbers together, and all the variables

-1r-2=0

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

-r=2

r=2/-1

r=-2

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