49=7-7r

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Solution for 49=7-7r equation: 



49=7-7r

We move all terms to the left:

49-(7-7r)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

7r-7+49=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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