-7r=-7-6r

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



-7r=-7-6r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-7r+6r+7=0

We add all the numbers together, and all the variables

-1r+7=0

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

-r=-7

r=-7/-1

r=+7

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