8r=7r-2

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Solution for 8r=7r-2 equation: 



8r=7r-2

We move all terms to the left:

8r-(7r-2)=0

We get rid of parentheses

8r-7r+2=0

We add all the numbers together, and all the variables

r+2=0

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

r=-2

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