6r-8=2(2r+1)

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Solution for 6r-8=2(2r+1) equation: 



6r-8=2(2r+1)

We move all terms to the left:

6r-8-(2(2r+1))=0



We calculate terms in parentheses: -(2(2r+1)), so:

2(2r+1)

We multiply parentheses

4r+2

Back to the equation:

-(4r+2)



We get rid of parentheses

6r-4r-2-8=0

We add all the numbers together, and all the variables

2r-10=0

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

2r=10

r=10/2

r=5

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