-4=r-4-7r

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



-4=r-4-7r

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-6r-4)-4=0

We get rid of parentheses

6r+4-4=0

We add all the numbers together, and all the variables

6r=0

r=0/6

r=0

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