4r-12=8r-6r

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Solution for 4r-12=8r-6r equation: 



4r-12=8r-6r

We move all terms to the left:

4r-12-(8r-6r)=0

We add all the numbers together, and all the variables

4r-(+2r)-12=0

We get rid of parentheses

4r-2r-12=0

We add all the numbers together, and all the variables

2r-12=0

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

2r=12

r=12/2

r=6

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