6r+2r=2r-9

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Solution for 6r+2r=2r-9 equation: 



6r+2r=2r-9

We move all terms to the left:

6r+2r-(2r-9)=0

We add all the numbers together, and all the variables

8r-(2r-9)=0

We get rid of parentheses

8r-2r+9=0

We add all the numbers together, and all the variables

6r+9=0

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

6r=-9

r=-9/6

r=-1+1/2

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