6r+8=57-r

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Solution for 6r+8=57-r equation: 



6r+8=57-r

We move all terms to the left:

6r+8-(57-r)=0

We add all the numbers together, and all the variables

6r-(-1r+57)+8=0

We get rid of parentheses

6r+1r-57+8=0

We add all the numbers together, and all the variables

7r-49=0

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

7r=49

r=49/7

r=7

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