6r+7=49-r

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Solution for 6r+7=49-r equation: 



6r+7=49-r

We move all terms to the left:

6r+7-(49-r)=0

We add all the numbers together, and all the variables

6r-(-1r+49)+7=0

We get rid of parentheses

6r+1r-49+7=0

We add all the numbers together, and all the variables

7r-42=0

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

7r=42

r=42/7

r=6

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