4r+5=7-7r

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Solution for 4r+5=7-7r equation: 



4r+5=7-7r

We move all terms to the left:

4r+5-(7-7r)=0

We add all the numbers together, and all the variables

4r-(-7r+7)+5=0

We get rid of parentheses

4r+7r-7+5=0

We add all the numbers together, and all the variables

11r-2=0

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

11r=2

r=2/11

r=2/11

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