12+8r=12+8r

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Solution for 12+8r=12+8r equation: 



12+8r=12+8r

We move all terms to the left:

12+8r-(12+8r)=0

We add all the numbers together, and all the variables

8r-(8r+12)+12=0

We get rid of parentheses

8r-8r-12+12=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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