12-6r=4-2r

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Solution for 12-6r=4-2r equation: 



12-6r=4-2r

We move all terms to the left:

12-6r-(4-2r)=0

We add all the numbers together, and all the variables

-6r-(-2r+4)+12=0

We get rid of parentheses

-6r+2r-4+12=0

We add all the numbers together, and all the variables

-4r+8=0

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

-4r=-8

r=-8/-4

r=+2

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