8r-2=7r-1

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



8r-2=7r-1

We move all terms to the left:

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

We get rid of parentheses

8r-7r+1-2=0

We add all the numbers together, and all the variables

r-1=0

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

r=1

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